List of actors who have played multiple roles in the same television series

This is a list of Actors that have appeared in the same television series in more than one role, such as playing twins, clones of a character, a doppelganger, look-alike relative, or completely unrelated characters. Actors appearing more than once in an anthology series, such as The Twilight Zone, do not count, unless played in the same episode.

A[edit]

Rose Abdoo as Gypsy and Berta on Gilmore Girls: A Year in the Life
Jensen Ackles as Ben and Alec on Dark Angel (TV series)
Don Adams as Maxwell Smart and Yohan on Get Smart - episode "The Spy Who Met Himself" (Season 3, 1967)
Freema Agyeman as Adeola Oshodi and Martha Jones in Doctor Who
Kristen Alderson as Starr Manning and Kiki Jerome on General Hospital
Kristian Alfonso as Hope Brady and Princess Gina Von Amberg on Days of Our Lives
Richard Anderson as Oscar Goldman and Android Duplicate, on The Six Million Dollar Man - episodes Return of The Robot Maker (Season 2, 1975) and Kill Oscar, Part 2 (Season 4, 1976)
John Aniston as Eric Richards and Victor Kiriakis on Days of Our Lives
Bea Arthur as Dorothy Zbornak and Dorothy's Grandmother Eleanor Grisanti, on The Golden Girls - episode "Mother's Day" (Season 3, 1988)
Frank Ashmore as Martin and Philip on V
Jessica Alba as Max & Alexandra on Dark Angel (TV Series)
Aljur Abrenica as Edgar del Mundo & Aldrin Sanchez on Once Again

B[edit]

Jim Backus as Thurston Howell, III and his lookalike, in Gilligan's Island - episode ("Will the Real Mr. Howell Please Stand Up", (Season 2, 1966)
Conrad Bain as Phillip Drummond and cousin Anna on Diff'rent Strokes, "The Van Drummonds", episode 128
Colin Baker as The Doctor and Commander Maxil on Doctor Who
Scott Bakula as Sam Beckett and John Beckett on Quantum Leap, episodes The Leap Home: Part 1 - November 25, 1969 (Season 3, 1990) - and Promised Land - December 22, 1971 (Season 5, 1992)
Lucille Ball as Lucy Carter and Herself on Here's Lucy - episode Lucy Carter Meets Lucille Ball (Season 6, 1974)
John Banner as Sgt. Hans Schultz and Wolfgang Brauner in Hogan's Heroes - episode Heil Klink (Season 2, 1967)
Claudine Barretto as Rosario de Villa, Rose Marie de Villa and Rosenda de Villa from Saan Ka Man Naroroon
Anne Baxter as Zelda and Olga in Batman (1966-1968)
Matthew Baynton as Jamie Winton and Ariel Conroy on You, Me and the Apocalypse
Jason Behr as Max Evans (Roswell) and Zan in Roswell episode "Meet the Dupes" (Season 2, episode 9) (November 20, 2000)
Laura Benanti as Alura Zor-El and Astra in Supergirl (TV series)
Matthew Bennett as multiple copies of Cylon Number Five aka Aaron Doral on Battlestar Galactica (2004)
Peter Bergman as Jack Abbott and Marco Annicelli on The Young and the Restless
Ken Berry as Captain Wilton Parmenter and Kid Vicious on F Troop, episode Wilton the Kid (Season 2, 1966)
James Best as Rosco P. Coltrane and Woody on The Dukes of Hazzard - episode Too Many Roscos (Season 6, 1983)
Leslie Bibb as Beth Selby, Cayla Selby and Ashley Whitford on CSI: Miami episode triple threat (Season 5 episode 18, 2007)
Bill Bixby as David Banner and Mike Cassidy on The Incredible Hulk - episode "Broken Image" (Season 3, 1980)
Sorrell Booke as Jefferson Davis Hogg and Abraham Lincoln Hogg on The Dukes of Hazzard - episode "Baa, Baa White Sheep" (Season 3, 1980)
Alex Borstein as Drella and Miss Celine on Gilmore Girls and Gilmore Girls: A Year in the Life
Julie Bowen as Marilyn Brody and Patrice Gesner on Monk - episode "Mr. Monk and the Bully" (Season 7, 2009)
Tamara Braun as Ava Vitali and Taylor Walker in Days of Our Lives
Tracey E. Bregman as Lauren Fenmore and Sarah Smythe in The Young and the Restless
Patrick Bristow as Philip and Lloyd in "Malcolm in the Middle"
Beth Broderick as Zelda Spellman and Jezebelda in Sabrina, the Teenage Witch- episodes You can't twin (Season 5, 2000) and Deliver us from e-mail (Season 6 2002)
Blair Brown as Nina Sharp and Alternate Nina Sharp on Fringe
Sarah Brown as Carly Corinthos and Claudia Zacchara in General Hospital
Ian Buchanan as Lord Sheraton and Ian McAllister on Days of Our Lives
Ian Buchanan as Duke Lavery and Caesar Faison(in disguise as Duke) on General Hospital(2012)
Laura Bell Bundy as Dr. Jordan Denby and Jessie on Anger Management episode Charlie and the twins (Season 2 episode 49)
Delta Burke as Julia Fitzgerald (also on Promised Land) and Diana Winslow on Touched By An Angel
Carol Burnett as Nancy the flight attendant and Nora Desmond in Disaster 75, a sketch on The Carol Burnett Show (Season 8, 1974)

C[edit]

Kim Chiu as Isabelle Miravelez - Hidalgo and her daughter Andrea Hidalgo in the Philippine period drama television series, Ikaw Lamang
Dean Cain as Superman and Superman clone in Lois & Clark: The New Adventures of Superman - episode "Vatman" (Season 1, 1994); also as Superman and a Superman look-alike actor in episode "That Old Gang Of Mine" in Season 2.
Dove Cameron as Liv Rooney and Maddie Rooney in Liv and Maddie
David Canary as Adam Chandler and Stuart Chandler in All My Children
Diana Canova as Helen Edwards and Ellen Edwards in The Love Boat - episode "Julie's Old Flame/The Jinx/The Identical Problem" (Season 1, 1977)
Peter Capaldi as the Twelfth Doctor and Lucius Caecilius Iucus in Doctor Who
Ryan Carnes as Lucas Jones and Phil Brewer on General Hospital, in recreated flashback from the first episode for the show's 52nd anniversary, April 1, 2015
Lynda Carter as Wonder Woman and Robot Duplicate on Wonder Woman - episode The Deadly Toys (Season 2, 1977)
Dana Carvey as George Bush and Ross Perot (simultaneously) on Saturday Night Live – Season 18 Episode 2: sketch "Debate '92" (October 10, 1992)
Alexandra Chando as Sutton Mercer and Emma Becker in The Lying Game
Jordan Clarke as Dr. Tim Ryan and Billy Lewis II on Guiding Light
Andy Clyde as Jack Bixby and Jonathan Bixby on Circus Boy - episode "Col. Jack's Brother" (Season 1, 1957)
Bradley Cole as Richard Winslow and Jeffrey O'Neill in Guiding Light
Jeffrey Combs as Weyoun and Brunt in Star Trek:Deep Space Nine appearing together in Dogs of War
Jeanne Cooper as Katherine Chancellor and Marge Cotrooke on The Young and the Restless
Daniel Cosgrove as Aiden Jennings and Unnamed Look-Alike on Days Of Our Lives
Rick Cosnett as Eddie Thawne and Hannibal Bates (in disguise as Thawne) in The Flash (2014 TV series) - episode Who Is Harrison Wells? (Season 1, 2015)
Dave Coulier as Joey Gladstone and Jasper in Full House - episode I'm Not D.J. (Season 6, 1992)
Franklin Cover as Tom Willis and Tom's father on The Jeffersons, episode "Father Christmas" (Season 10, 1983)
Grant Cramer as Shawn Garrett and Adam Hunter in The Young and the Restless
Tim Curry as Ma Brackett, Pa Brackett, & Winona Brackett in Tales from the Crypt - episode "Death of Some Salesman" (Season 5, 1993)
Miley Cyrus as Miley Stewart (Hannah Montana) and Cousin Luann in season 1, ep. 17, "Torn between two Hannahs" on Hannah Montana
Jenna Coleman as Clara Oswald & Zygella in Doctor Who: "Doctor's Notes: Episodes 7 & 8 - "The Zygon Invasion; Ths Zygon Inversion" (2/20/2016)
Tom Cavanagh as Harrison Wells from Earth 1 & 2, Harrison "HR" Wells from Earth 19 and Eobard Thawn aka Reverse-Flash disguised as Harrison Wells from Earth 1 on The Flash (2014 TV series)

D[edit]

Jennifer Darling as Peggy Callahan and Android Duplicate in The Six Million Dollar Man - episode Kill Oscar, Part II (Season 4, 1976)
Jennifer Darling as Peggy Callahan and Android Duplicate in The Bionic Woman - episodes Kill Oscar, Parts I and III (Season 2, 1976), & Fembots in LasVegas, Parts I and II (Season 3, 1977)
Pam Dawber as Mindy and Mandy, in Mork & Mindy - episode Mork In Wonderland (Season 2, 1979)
Eileen Davidson as Kristen Blake, Susan Banks, Sister Mary Moira(Banks), Thomas Banks, and Penelope Kent in Days of Our Lives
Ann B. Davis as Alice Nelson and Cousin Emma in The Brady Bunch - episode Sargeant Emma (Season 3, 1972)
Sammy Davis, Jr. as himself and Herbert Brubaker III in Charlie's Angels - episode "The Sammy Davis, Jr. Kidnap Caper" (Season 2, 1977)
Bob Denver as Gilligan and Soviet agent lookalike, in Gilligan's Island - episode Gilligan vs. Gilligan (Season 3, 1966)
Garret Dillahunt as Cromartie, John Henry, George Lazslo and Beast Wizard in Terminator:The Sarah Connor Chronicles
Don Diamont as Brad Carlton(cross-over from The Young and the Restless) and Bill Spencer, Jr. on The Bold and the Beautiful
Micky Dolenz as himself and Baby Face Moralles, in The Monkees - episode Alias Micky Dolenz (Season 1, 1967)
Micky Dolenz as himself and Robot Duplicate in The Monkees - episode "The Monkees Watch Their Feet" (Season 2, 1968)
Elinor Donahue as Betty Anderson and Donna Stuart in Father Knows Best - episode "Betty's Double" (Season 7, 1960)
Jerry Douglas as John Abbott and Alistair Wallingford in The Young and the Restless
Fran Drescher as Fran Fine and Bobbi Fleckman in The Nanny - episode The Bobbi Fleckman Story (Season 5, 1997)
Fran Drescher as Fran Fine and Fran Drescher in 'The Nanny - episode "The Baby Shower" (Season 6, 1999)
Patty Duke as Cathy Lane and twin cousin Patty Lane in The Patty Duke Show
Nina Dobrev as Katherine Pierce, Elena Gilbert, Tatia, Amara, and Silas in The Vampire Diaries
Josh Dallas as David & James (Prince & the Pauper) on Once Upon a Time

E[edit]

Michael Easton as Michael Morley and Caleb Morley on Port Charles
- Also as John McBain, Caleb Morley, Silas Clay, and Hamilton Finn on General Hospital
Barbara Eden as Jeannie, sister Jeannie, and Jeannie's mother in I Dream of Jeannie
Judyann Elder as Sister Bernadette in Family Matters season 4 episode "Nunsense" and Harriet Winslow in season 9
Andrea Evans as Patty Williams and Tawny Moore (from The Bold and the Beautiful) on The Young and the Restless
Judi Evans as Adrienne Kiriakis and Bonnie Lockhart on Days Of Our Lives
Linda Evans as Krystle Carrington and Rita Lesley on Dynasty (TV series)
Mary Beth Evans as Kayla Brady and Emily Matthews Wyatt on Days of Our Lives
Andi Eigenmann as Agua Cristi and Bendita Cristi in Agua Bendita
Ethan Embry as Derek Barnes and Adam Barnes in FreakyLinks

F[edit]

Jason Faunt as Wesley Collins and Alex on Power Rangers Time Force
Brendan Fehr as Michael Guerin and Rath in Roswell (TV series) - episodes "Meet the Dupes" and "Max in the City" (Season 2, episodes 8 and 9) (November 20 and 27, 2000)
Sherilyn Fenn as Sasha (season 3 episode 21, "Here Comes the Son") and Anna Nardini (seasons 6 and 7) on Gilmore Girls
Lou Ferrigno as The Hulk and Carl Molino on The Incredible Hulk (1978 TV series) - episode King of The Beach (Season 4, 1981)
Redd Foxx as Fred G. Sanford and himself on Sanford and Son - episode Fred Meets Redd (Season 6, 1977)
Jonathan Frakes as William T. Riker and Thomas Riker on Star Trek: The Next Generation - episode Second Chances (Season 6, 1993)
Jason David Frank as Tommy Oliver/White Ranger and Tom Oliver/Green Ranger in Mighty Morphin Power Rangers - episode "Return of the Green Ranger" Parts 1-3
Dennis Franz as Sal Benedetto and Norman Buntz in Hill Street Blues

G[edit]

Seth Gabel as Lincoln Lee and Alternate Lincoln Lee on Fringe
Bethany Joy Galeotti as Clone Reva Shayne as a teen, and Michelle Bauer Santos in Guiding Light
Joseph R. Gannascoli as Gino in the season one episode The Legend of Tennessee Moltisanti, and Vito Spatafore in The Sopranos
James Garner as Frank Nichols (first name never spoken but seen in writing in pilot) and twin Jim Nichols in Nichols
Jennifer Garner as Sydney Bristow and Anna Espinosa on Alias - episodes "30 Seconds" and "I See Dead People" (Season 5, 2006)
Larry Gates as Ira Newton and H. B. Lewis on Guiding Light
Anthony Geary as Luke Spencer and Bill Eckert on General Hospital
Anthony Geary as Luke Spencer and Tim Spencer on General Hospital; seen in flashback story for the 52nd anniversary of the show, April 1, 2015, as well as Luke's hallucination on July 23, 2015
Sarah Michelle Gellar as Bridgett Kelly and Siobhan Martin in Ringer
Sarah Michelle Gellar as Buffy Summers and Buffybot in Buffy the Vampire Slayer (TV series)
Galen Gering as Rafe Hernandez and Imposter Rafe on Days of Our Lives, and as Luis Lopez-Fitzgerald and Man in a Luis Face Mask on Passions
Karen Gillan as a soothsayer and Amy Pond in Doctor Who
Summer Glau as Cameron (Terminator) and Allison Young on Terminator: The Sarah Connor Chronicles- episode Allison from Palmdale season 2 episode 4 (September 29, 2008)
Daniel Goddard as Cane Ashby(birth name Ethan Atkinson) and Caleb Atkinson on The Young and the Restless
Selena Gomez as Alex Russo and evil duplicate Alex Russo in The Wizards Return: Alex vs. Alex (2013 Disney Channel TV movie)
Mark-Paul Gosselaar as Jared Briscoe and Paul Winthrop on CSI: Crime Scene Investigation
Judy Greer as Bridget Schmidt and Danny on Two and a Half Men - episode The Squat and the Hover (Season 9, 2011)
Camryn Grimes as Cassie Newman and Mariah Copeland on The Young and the Restless
Grant Gustin as Barry Allen/ The Flash and Hannibal Bates (in disguise as Barry) in The Flash (2014 TV series) - episode "Who Is Harrison Wells?" (Season 1, 2015)
Fred Gwynne as Herman Munster and Charlie Munster on The Munsters - episode Knock Wood, Here Comes Charlie (Season 1, 1964)
Fred Gwynne as Herman Munster and Cousin Johann on The Munsters- episode A Visit from Johann (Season 2, 1966)
Grant Gustin as Barry Allen/The Flash with red symbol & Barry Allen/The Flash with white symbol on "The Flash (2014 TV series)": Episode: "Flash Back" (Season 2, 2016)
Janine Gutierrez as Reign Sariano & Desiree "Des" Mateo on Once Again

H[edit]

Larry Hagman as Tony Nelson and Rodney Pomfret on I Dream of Jeannie, 2-part episode entitled "The Case of My Vanishing Master" (Season 4, 1969)
Stacy Haiduk as Emily Peterson and Patty Williams on The Young and the Restless
Alan Hale, Jr. as Jonas Grumby (aka. The Skipper) - and Santa Claus on Gilligan's Island, episode "Birds Gotta Fly, Fish Gotta Talk" (Season 1, 1964)
Andrea Hall as Samantha Evans and Hattie Adams on Days of Our Lives. Sister Deidre Hall also played Hattie Adams in 2004, and again in 2016, where she also plays Marlena Evans
Nicholas Hammond as Peter Parker/Spider-Man and his evil clone on The Amazing Spider-Man, episode Night of The Clones (Season 1, 1978)
Alyson Hannigan as Lily Aldrin and White Flower on How I Met Your Mother, episode Slapsgiving 3: Slappointment in Slapmarra (Season 9, 2014)
Alyson Hannigan as Lily Aldrin and Stripper Lily/Jasmine on How I Met Your Mother
Alyson Hannigan as Willow Rosenberg and vampire Willow on Buffy the Vampire Slayer (TV series)
Neil Patrick Harris as Barney Stinson and Dr. John Stangel on How I Met Your Mother, episode Bad News (Season 6 episode 13) (January 3, 2011)
Melissa Joan Hart as Sabrina Spellman, Katrina and Cyrano Sabrina in Sabrina, the Teenage Witch
Justin Hartley as Adam Newman and Gabriel Bingham(seen in flashback and Constance Bingham's hallucination as she was dying) on The Young and the Restless
David Hasselhoff as Michael Knight and Garthe Knight on Knight Rider
Teri Hatcher as Lois Lane and surgically altered look-alike on Lois & Clark: The New Adventures of Superman, episode "Madame Ex" (Season 2, 1994)
Teri Hatcher as Lois Lane and Lois Lane clone on Lois & Clark: The New Adventures of Superman
Billie Hayes as Weenie The Genie and Witchiepoo on Lidsville, episode Have I Got a Girl For Hoo Doo (Season 1, episode 8)
Katherine Heigl as Isabel Evans and Lonnie in Roswell (TV series) season 2 episodes "Meet the Dupes" and "Max in the City" (episodes 8 and 9) (November 20 and 27, 2000)
Tricia Helfer as multiple copies of Cylon Number Six aka Caprica aka Head Six aka Shelly Godfrey aka Gina Inviere aka Natalie Faust on Battlestar Galactica (2004)
Sherman Hemsley as Judge Carl Robertson and George Jefferson on The Fresh Prince of Bel-Air
Sherman Hemsley as George Jefferson and William T. Jefferson on The Jeffersons, episode "Father Christmas" (Season 10, 1983)
Anne Heche as Vicky Hudson and Marley Hudson on Another World
Florence Henderson as Carol Brady and Grandma Connie Hutchins on The Brady Bunch, episode "You're Never Too Old" (Season 4, 1973)
Elizabeth Hendrickson as Frankie Stone and Maggie Stone on All My Children
Rebecca Herbst as Elizabeth Webber and Jessie Brewer on General Hospital, in recreated flashback from the first episode for the show's 52nd anniversary, April 1, 2015
Anthony Herrera as Mark Galloway and James Stenbeck on As the World Turns
David Hewlett as Rodney McKay and Rod McKay as well as Rodney McKay and Asuran Rodney McKay on Stargate Atlantis
John Hillerman as Jonathan Higgins and Father Paddy McGuinness on Magnum P.I., episode "Faith and Begorrah" (Season 3, 1983)
John Hillerman as Jonathan Higgins and Don Luis Mongueo on Magnum P.I., episode "Who Is Don Luis Higgins... and Why Is He Doing These Terrible Things to Me?" (Season 6, 1986)
Ron Howard as Richie Cunningham and Cecil Cunningham on Happy Days, episode "The Roaring Twenties" (Season 7, 1980)
Roger Howarth as Todd Manning and Robert "Franco" Frank on General Hospital
Rock Hudson as Stuart McMillan and Claudio Manton on McMillan & Wife, episodes "Terror Times Two" (Season 2, 1972) and "Cross & Double Cross" (Season 3, 1974)
Finola Hughes as Anna Devane and Alex Devane Marick on All My Children
Finola Hughes as Anna Devane and Dr. Liesel Obrecht (in disguise) on General Hospital

I[edit]

Vincent Irizarry as Brandon "Lujack" Luvonaczek and Nick McHenry Spaulding on Guiding Light

J[edit]

Celina Jade as Shado and Mei in Arrow (TV series) (season 3 2015)
David Janson as Adolf Hitler's double and Herr Otto Flick on 'Allo 'Allo!
Austin St. John as Jason Lee Scott and Evil Jason in Mighty Morphin Power Rangers - episode Bad Reflection on You
Amy Jo Johnson as Kimberly Hart and Evil Kimberly in Mighty Morphin Power Rangers - episode Bad Reflection on You
Van Johnson as Himself and a con man look-alike on Here's Lucy, episode Guess Who Owes Lucy $23.50? (Season 1, 1968)
Carolyn Jones as Morticia Addams and Ophelia Frump on The Addams Family
Davy Jones as himself and Prince Ludlow of Perovia on The Monkees, episode The Prince and the Paupers (Season 1, 1967)
Renée Jones as Nikki Wade and Lexie Carver on Days of Our Lives
Surbhi Jyoti as Zoya Farooqui, Sanam Aahil Raza Ibrahim, Seher Ahmed Khan and Mahira Akhtar on Qubool Hai
Walter Emanuel Jones as Zack Taylor and Evil Zack in Mighty Morphin Power Rangers - episode Bad Reflection on You
Walter Emanuel Jones as Zack Taylor and Primator in Mighty Morphin Power Rangers - episode The Wanna-Be Ranger

K[edit]

Gorden Kaye as Mr. Fortescue, The Plastic Mac customer and Mr. Tomiades on Are You Being Served?
Jack Klugman as Oscar Madison and Blinky Madison on The Odd Couple, episode "Our Fathers" (Season 5, 1974)
Christopher Knight as Peter Brady and Arthur Owens in The Brady Bunch, episode Two Petes in a Pod (Season 5, 1974)
Fred Koehler as Jessie Gentry and Wallace Hines on Criminal Minds (2-part episode featured on season 9, 2013)
Bernie Kopell as Adam Bricker and Kurt Kleinschmidt on The Love Boat, episode Chef's Special / New Beginnings / Kleinschmidt (Season 5, 1981)
Eric Allan Kramer as Bob Duncan and his mother in Good Luck Charlie episode Dress Mess (Season 3, 2012)
Kristin Kreuk as Lana Lang and Louise McCallum in Smallville, episode Relic (Season 3, 2003)
Lisa Kudrow as Phoebe and Ursula Buffay in Friends

L[edit]

Martin Landau as Dexter Paris & Norman Paris in Columbo, episode "Double Shock" (Season 2, 1973)
Chloe Lanier as young Patricia Spencer and Nelle Hayes on General Hospital.
Angela Lansbury as Jessica Fletcher and Cousin Emma MacGill in Murder, She Wrote - episode "It Runs In The Family" (Season 4, 1987)
Jack Larson as Jimmy Olsen and Kid Collins in Adventures of Superman, episode Jimmy The Kid (Season 4, 1956)
Ali Larter as Niki Sanders and Tracy Strauss in Heroes (TV series)
Hugh Laurie as Simon 'Farters' Partridge and Mad Prince Ludwig on Blackadder II
Lucy Lawless as multiple copies of Cylon Number Three aka D'Anna Biers on Battlestar Galactica (2004)
Martin Lawrence as Martin Payne, King Beef, Bob, Sheneneh Jenkins, Jerome, Dragonfly Jones, Otis, Edna (Mama) Payne, Elroy Preston, and Roscoe in Martin
Cloris Leachman as Ms. Frick and Edwina Nutt in The Nutt House
Cloris Leachman as Barbara June "Maw Maw" Thompson and Norma June in Raising Hope - episode "Mother's Day" (Season 3, 2013)
Sheryl Lee as Laura Palmer and Maddy Ferguson, her cousin, in Twin Peaks
Christian LeBlanc as Kirt McColl and Michael Baldwin(cross-over from The Young and the Restless) on As the World Turns
Phill Lewis as Marion Moseby and Rose Moseby in The Suite Life of Zack & Cody
Liberace as Chandell and Harry in Batman, (2-part episode "The Deadly Fingers", and "The Dead Ringers") - (Season 2, 1966)
Tina Louise as Ginger Grant and Eva Grubb in Gilligan's Island, episode All About Eva (Season 3, 1966)
Joey Luthman as young Luke Spencer and young Bill Eckert on General Hospital, in flashback for the show's 52nd anniversary, April 1, 2015

M[edit]

Gavin MacLeod as Captain Merrill Stubing and Marshall Stubing in The Love Boat - episode The Remake/The Perfect Match/The Captain's Ne'er Do Well Brother (Season 3, 1980)
Gavin MacLeod as Captain Merrill Stubing, Marshall Stubing, and Milo Stubing in The Love Boat - episode She Stole His Heart/Return of the Captain's Brother/Swag and Mag (Season 4, 1980)
Fred MacMurray as Steve Douglas and Fergus McBain Douglas in My Three Sons - episode "The Advent of Fergus" (Season 12, 1971)
Lee Majors as Steve Austin and Store Clerk on The Six Million Dollar Man - episode Steve Austin, Fugitive (Season 2, 1975)
Lee Majors as Steve Austin and John Dine on The Six Million Dollar Man - episode "Look Alike" (Season 2, 1975)
Sarah Marshall as Lady Margaret Clewer and Elspeth Clewer on Thriller - episode "God Grant That She Lye Still" (Season 2, 1961)
Tatiana Maslany as clones Sarah Manning, Elizabeth Childs, Alison Hendrix, Cosima Niehaus, Helena, Rachel Duncan, Katja Obinger, Jennifer Fitzsimmons, Krystal Goderitch, Veera Suominen (M.K.), and Tony Sawicki on Orphan Black
Jesse McCartney as JR Chandler and Himself on All My Children
Leigh McCloskey as Michael Baranski and Damian Smith on General Hospital, and as Zack Kelton and Ethan Asher on Santa Barbara
John McCook as Lance Prentiss and Eric Forrester(cross-over from The Bold and the Beautiful) on The Young and the Restless
Jennette McCurdy as Sam Puckett and Melanie Puckett on iCarly - episode iTwins
Jennette McCurdy as Sam Puckett and Melanie Puckett on Sam & Cat - episode #Twinfection
Ted McGinley as Jefferson D'Arcy in seasons 5-11, and as Norman Jablonsky in season 4, ep. 68, "It's a Bundyful Life" on Married...With Children
Tobias Menzies as Frank Randall and Jonathan "Black Jack" Randall in season 1 on Outlander (TV series)
S. Epatha Merkerson as Denise Winters (Season 1 Episode 17 - "Mushrooms") and Anita Van Buren on Law & Order
Mary Ann Mobley as Maggie Drummond in season 8, and Arnold's teacher in season 2, ep. 47, "Teacher's Pet" on Diff'rent Strokes
Al Molinaro as Al Delvecchio, and his twin brother, priest Father Delvecchio, on Happy Days
Kelly Monaco as Livvie Locke and Tess Ramsey on Port Charles
Kelly Monaco as Sam McCall and Alicia Montenegro on General Hospital in 2005
Elizabeth Montgomery as Samantha and Serena on Bewitched; pseudonym "Pandora Spocks" used in credits for Serena
Ashleigh Aston Moore as Donna and Alpha in The Odyssey
Roger Moore as Lord Brett Sinclair and three of his relatives in The Persuaders! episode A Death in the Family
Harry Morgan as Major General Bartford Hamilton Steele in M*A*S*H, Season 3, Episode 1, and as Colonel Sherman T. Potter in Seasons 4-11
Edward Mulhare as Captain Daniel Gregg and Sean Callahan on The Ghost & Mrs. Muir, episode Double Trouble (Season 2, 1969)
Richard Mulligan as Burt Campbell and Alien Duplicate Burt, on Soap
Julia Montes as Kara Dela Rosa/Suarez & Sara Suarez/Dela Rosa in Doble Kara
Jennifer Morrison as Black Swan (Odile) & White Swan (Odette). Princess Emma Swan is Swan Princess on Once Upon a Time: Season 5
Coco Martin as Alexander del Tierro & Javier del Tierro in Minsan Lang Kita Iibigin
Coco Martin as PO3 Ricardo "Cardo" Dalisay & Police Sr. Insp. Dominador "Ador" De Leon in FPJ's Ang Probinsyano
Shaina Magdayao as Agua & Bendita in Komiks Presents: Rod Santiago's Agua Bendita in Agua Bendita (part 1 on 3/4/2006 & part 2 on 3/11/2006)
Xyriel Manabat as young Agua & Bendita in Agua Bendita

N[edit]

Andrea Nemeth as Madea and Sierra Jones in The Odyssey
Mike Nesmith as himself and the Princess in The Monkees episode "Fairy Tale"
Stephen Nichols as Steve Johnson and Captain Gideon Wyatt on Days of Our Lives
Jasika Nicole as Astrid Farnsworth, Alternate Astrid Farnsworth on Fringe
Leonard Nimoy as Mister Spock and Mirror Universe Spock on Star Trek: TOS, episode Mirror, Mirror (Season 2, 1967)
Leonard Nimoy as Spock and Garth of Izar (in disguise as Spock) on Star Trek: TOS, episode Whom Gods Destroy (Season 3, 1969)
Heather North as Wendy and a teen magazine writer in The Monkees episode "The Prince and the Paupers"
John Noble as Dr Walter Bishop and Alternate Walter Bishop aka "Walternate" on Fringe
Chuck Norris as Cordell Walker and Hayes Cooper in Walker, Texas Ranger
Wayne Northrop as Roman Brady and Dr. Alex North on Days of Our Lives

O[edit]

Terry O'Quinn as Brian Tillman in The X-Files episode Aubrey, and as Shadow Man in Trust No 1. Quinn also played FBI Agent Darius Michaud in the 1998 X-Files film
The Olsen Twins as Michelle Tanner and cousin Melina on Full House; episode 69, "Greek Week". Both twins also played a dual role as Good Michelle and Bad Michelle on episode 113, "The Devil Made Me Do It"
Jerry Orbach as attorney Frank Lehrmann (Season 2 episode "The Wages of Love") and Detective Lennie Briscoe (seasons 3–14) on Law & Order
Patton Oswalt as Billy, Eric, and Sam Koenig on Agents of S.H.I.E.L.D.

P[edit]

Lana Parrilla as Regina Mills and Cora (in disguise as Regina) on Once Upon a Time episode "The Cricket Game", Rumplestilskin (in disguise as Regina) on episode "It's Not Easy Being Green" and Ursula (Regina in disguise) on episode "Ariel"
Lana Parilla as Evil Queen & Regina on Once Upon a Time episode "An Untold Story
Grace Park as multiple copies of Cylon Number Eight aka Sharon "Boomer" Valerii aka Sharon "Athena" Agathon on Battlestar Galactica (2004)
Jeffrey Vincent Parise as Carlos Rivera and Joe Rivera on General Hospital
Adrian Pasdar as Nathan Petrelli and Sylar in Heroes
Sarah Paulson as Sally McKenna and Billie Dean Howard on American Horror Story: Hotel
Sarah Paulson as Audrey Tindall and Lana Winters on American Horror Story: Roanoke
Thaao Penghlis as Tony DiMera and André DiMera in Days of Our Lives
Joseph C. Phillips as Daryl (episode 28, "Cliff In Love") and Martin Kendall (beginning in season 6) on The Cosby Show
Sasha Pieterse as Alison DiLaurentis and Vivian Darkbloom in Pretty Little Liars
Billie Piper as Rose Tyler and The Moment in Doctor Who
Dana Plato as Kimberly Drummond and cousin Hans on Diff'rent Strokes, "The Van Drummonds", episode 128
Edward Platt as The Chief and Alexi Sebastian (in disguise as The Chief) on Get Smart, episode "Too Many Chiefs" (Season 1, 1965)
Larry Poindexter as Ben Welch and Father Louis on Days of Our Lives
Vincent Price as Manfred Carstairs and Cyrus Carstairs on The Bionic Woman, episode "Black Magic" (Season 2, 1976)
Elaine Princi as Kate Winograd and Linda Patterson on Days of Our Lives
Danielle Panabaker as Dr. Caitlin Snow/Killer Frost from Earth 1 & 2 on The Flash

Q[edit]

R[edit]

Josh Radnor as Ted Mosby and The Calligrapher on How I Met Your Mother, episode Slapsgiving 3: Slappointment in Slapmarra (Season 9, 2014)
Luise Rainer as Maggie Koerner and Dorothy Fielding on The Love Boat, episode "The Lady and the Maid/Love Is Blind/The Babymakers" (Season 7, 1984)
Tony Randall as Felix Unger and Albert Unger on The Odd Couple, episode Where's Grandpa? (Season 2, 1971)
Tony Randall as Felix Unger and Morris Unger on The Odd Couple, episode "Our Fathers" (Season 5, 1974)
Marisa Ramirez as Carmen Mesta and Ines Vargas on The Young and the Restless
Emilie de Ravin as Tess Harding and Ava on Roswell (TV series) episodes "Meet the Dupes" and "Max in the City" (Season 2, episodes 8 and 9) (November 20 and 27, 2000)
Lance Reddick as Phillip Broyles and Alternate Phillip Broyles on Fringe
Robert Reed as Mike Brady and Grandpa Hank Brady on The Brady Bunch, episode "You're Never Too Old" (Season 4, 1973)
George Reeves as Superman and Boulder (A lookalike thug) in The Adventures of Superman, episode The Face and The Voice (Season 2, 1953)
Callum Keith Rennie as multiple copies of Cylon Number Two aka Leoben Conoy on Battlestar Galactica (2004)
Louise delos Reyes as Alona and Pearl Natividad from Kambal Sirena
Richard Romanus as Joey Bennett and James Crowe on "MacGyver"
Emily Rose (actress) as Mara, Veronica, Sarah Vernon, Lucy Ripley, Audrey Parker, and Lexie DeWitt
Clive Robertson as Benjamin "Ben" & Derek Evans on Sunset Beach (TV series)
Derek Ramsay as Warren & Phillip on The Wedding (TV series)
Regine Velasquez as Herself & Rita Villon on Sarap Diva

S[edit]

Tony Sampson as Keith and Flash in The Odyssey
John Saxon as Maj. Fred Sloan and android duplicate on The Six Million Dollar Man - episode "Day of The Robot" (Season 1, 1974)
David Schwimmer as Ross Geller and Russ on Friends, episode "The One With Russ" (Season 2, 1996)
James Scott as EJ DiMera and Santo Dimera on Days of Our Lives
Ted Shackleford as William Bardwell and Jeffrey Bardwell on The Young and the Restless
William Shatner as James T. Kirk and evil duplicate Kirk on Star Trek: TOS, episode The Enemy Within (Season 1, 1966)
William Shatner as James T. Kirk and android duplicate Kirk on Star Trek: TOS, episode What Are Little Girls Made Of? (Season 1, 1966)
William Shatner as James T. Kirk and Mirror Universe Kirk on Star Trek: TOS, episode Mirror, Mirror (Season 2, 1967)
William Shatner as James T. Kirk and Garth of Izar (in disguise as Kirk) on Star Trek: TOS, episode Whom Gods Destroy (Season 3, 1969)
Charles Shaughnessy as Shane Donovan and Drew Donovan on Days of Our Lives
Charles Shaughnessy as Maxwell Sheffield and The Sultan of Koorestan on The Nanny - episode Not Without My Nanny (Season 5, 1998)
John Wesley Shipp as Barry Allen / The Flash and Pollux on The Flash, episode "Twin Streaks" - (Episode 17 of first and only season, 1991)
Kin Shriner as Harrison Bartlett and Jeffrey Bardwell on The Young and the Restless
Cobie Smulders as Robin Scherbatsky and Red Bird on How I Met Your Mother, episode Slapsgiving 3: Slappointment in Slapmarra (Season 9, 2014)
Dana Sparks as Grace Bennett and Faith Standish on Passions
Brent Spiner as Data, Lore, and Dr. Noonien Soong on Star Trek: The Next Generation: "Brothers", 10/08/1990
Michelle Stafford as Phyllis Summers and Sheila Carter on The Young and the Restless
Nancy Stafford as Michelle Thomas seasons 2-6, and as Caryn Nelson/Caroline Nathan in season 1, ep. 5, "The Seduction" on Matlock
John Stamos as Jesse Katsopolis and Cousin Stavros on Full House, episode "Kissing Cousins" - (Season 7, 1994)
Molly Stanton as Charity Standish, Zombie Charity, and ancestor Prudence Standish on Passions
Jean Stapleton as Edith Bunker and Judith Klammerstadt on All in the Family, episode A Girl Like Edith (Season 9, 1979)
Dean Stockwell as Al Calavicci and The Devil on Quantum Leap, episode "The Boogieman - October 31, 1964 (Season 3, 1990)
Dean Stockwell as multiple copies of Cylon Number One aka John Cavil on Battlestar Galactica (2004)
Larry Storch as Cpl. Randolph Agarn, Pancho Agarnado, Granny Agarn, Gaylord Agarn, and Carmen Agarnado on F Troop, episode "El Diablo" - (Season 1, 1966)
Larry Storch as Cpl. Randolph Agarn and Lucky Pierre Agarniere on F Troop, episode "The Singing Mountie" (Season 2, 1966)
Larry Storch as Cpl. Randolph Agarn and Col. Dimitri Agarnoff on F Troop, episode "Only One Russian is Coming! Only One Russian is Coming!" (Season 2, 1967)
Kirsten Storms as Maxie Jones and B.J. Jones on General Hospital on February 24, 2009 as part of ABC Go Red campaign
Sarah Sutton as Nyssa and Ann Talbot on Doctor Who, serial Black Orchid
Alison Sweeney as Samantha Brady, Colleen Brady, and Adrienne Johnson (in Flashbacks) on Days of Our Lives
Kiki Sukezane as Miko Otomo & Katana Girl in Heroes Reborn (Season 1, 2015)
Teddy Sears as Jay Garrison & Hunter Zolomon in The Flash: (Season 2, 2015)
John Wesley Shipp as Henry Allen & Jay Garrick from Earth 3 in The Flash: The Race of His Life - (Season 2, 2015)
Patrick Stewart as Captain Jean-Luc Picard & Kamin in Star Trek: The Next Generation "The Inner Light", on (June 6, 1992)
Davi Santos as Sir Ivan, Knight of Zandar & his Great Great Great Grandson: Zack in Power Rangers Dino Super Charge - Episode 16 "Freaky Fightday"

T[edit]

Jeffrey Tambor as George Bluth Sr. and Oscar Bluth on Arrested Development
Josh Taylor as Chris Kositchek and Roman Brady on Days of Our Lives
Jason Thompson as Dr. Patrick Drake and Steve Hardy on General Hospital, in recreated flashback from the first episode for the show's 52nd anniversary, April 1, 2015
Anna Torv as Olivia Dunham, Alternate Olivia Dunham, and William Bell on Fringe
Thuy Trang as Trini Kwan and Evil Trini in Mighty Morphin Power Rangers - episode A Bad Reflection on You
Randy Travis as Wayne(on multiple episodes) and Jedediah Winslow(2 episodes) on Touched By An Angel
Patrick Troughton as The Doctor and Ramón Salamander in Doctor Who, serial The Enemy of the World.
Forrest Tucker as Sgt. Morgan O'Rourke and Morgan O'Rourke Sr. on F Troop, episode "Did Your Father Come From Ireland?" (Season 2, 1966)
Michael Tylo as Alex "Blade" Bladeson and Rick Bladeson on The Young and the Restless
Bitsie Tulloch as Eve & Juliette Silverton on Grimm: Season 5

U[edit]

V[edit]

Reginald VelJohnson as Carl Winsolw and Big Daddy Urkel in Family Matters
Courtney B Vance as A.D.A Ron Carver in Law and Order Criminal Intent and Benjamin "Bud" Greer and Mayor's Asst in Law & Order
Dick Van Dyke as Rob Petrie and Hezekiah Petrie in The Dick Van Dyke Show - episode "The Great Petrie Fortune" (Season 5, 1965)
Valerie Vernon as Kendrix Morgan the first Pink Galaxy ranger and Carolyn Pickets in Power Rangers Lost Galaxy episode Double Duty (March 20, 1999)
Miles Gaston Villanueva as Father Martin and Luca Santori on The Young and the Restless
Dick Van Dyke as Dr. Mark Sloan & Mob Boss: John Greg Gotti on Diagnosis Murder: episode "Gangland part 1 & 2." (Season 7, 1999)

W[edit]

Lyle Waggoner as Steven Trevor and Steven Trevor, Jr. on Wonder Woman. When the show was updated from the 1940s to the 1970s, Lyle returned as Steve's son
Lindsay Wagner as Jaime Sommers and Lisa Galloway on The Bionic Woman, episode "Mirror Image" (Season 1, 1976), and "Deadly Ringer" (Parts 1 & 2), (Season 2, 1977)
Jessica Walter as Joyce Holleran, Joan Fulton, Jane Dawson, and Gwen Noble on Murder She Wrote
Lalla Ward as Princess Astra and Romana on Doctor Who
Paul Wesley as Stefan Salvatore, Tom Avery and Silas on The Vampire Diaries
Tom Welling as Clark Kent and Jor-El on Smallville, episode Relic (Season 3, 2003)
Tom Welling as Clark Kent and Bizarro on Smallville
Tom Welling as Clark Kent and Tina Greer (in disguise as Clark) on Smallville, episode "Visage" (Season 2, 2003)
Ming-Na Wen as Agent Melinda May and Agent 33 (brainwashed and in disguise) on Agents of S.H.I.E.L.D.
Jaleel White as Steven Urkel, Myrtle Urkel, and Stefan Urquelle in Family Matters
Robin Williams as Mork and himself in Mork & Mindy, episode Mork Meets Robin Williams (Season 3, 1981)
Marie Wilson as Bree Tjaden and Summer Townsend on Days Of Our Lives
Finn Wittrock as Tristan Duffy and Rudolph Valentino on American Horror Story: Hotel
Rick Worthy as multiple copies of Cylon Number Four aka Simon O'Neill on Battlestar Galactica (2004)
Aloma Wright as Nurse Laverene Roberts and Nurse Shirley in Scrubs
Laura Wright as Carly Corinthos and Lena Spencer on General Hospital; seen in flashback story for the 52nd anniversary of the show, April 1, 2015, as well as Luke's hallucination on July 23, 2015

X[edit]

Y[edit]

Jeff Yagher as Gary Pitkin and Elvis Presley in The Twilight Zone, (1985-1989 revival version) - episode "The Once and Future King" (Season 2, 1986)
David Yost as Billy Cranston and Evil Billy in Mighty Morphin Power Rangers - episode A Bad Reflection on You
David Yost as Billy Cranston and Primator in Mighty Morphin Power Rangers - episode The Wanna-Be Ranger
David Yost as Billy Cranston and Mirror Billy in Mighty Morphin Power Rangers - episode Blue Ranger Gone Bad

Z[edit]

Kim Zimmer as Reva Shayne and Reva's clone in Guiding Light
Arianne Zucker as Nicole Walker and Helena (seen in Deimos Kiriakis's flashback and in a photo) on Days Of Our Lives

References[edit]

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