Sitcoms The Big Bang Theory Cast List

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The Big Bang Theory cast list, including photos of the actors when available. This list includes all of the The Big Bang Theory main actors and actresses, so if they are an integral part of the show you'll find them below. You can various bits of trivia about these The Big Bang Theory stars, such as where the actor was born and what their year of birth is. This cast list of actors from The Big Bang Theory focuses primarily on the main characters, but there may be a few actors who played smaller roles on The Big Bang Theory that are on here as well.

Items on this poll include Kaley Cuoco and Wil Wheaton

If you are wondering, "Who are the actors from The Big Bang Theory?" or "Who starred on The Big Bang Theory?" then this list will help you answer those questions.

In most cases you can click on the names of these popular The Big Bang Theory actors and actresses to find out more information about them. If you're looking for a particular The Big Bang Theory actor or actress, then type their name into the "search" bar to find them directly.

1
Johnny Galecki is listed (or ranked) 1 on the list The Big Bang Theory Cast List
Johnny Galecki The Big Bang Theory, Roseanne, American Dreamer - John Mark "Johnny" Galecki is an American actor best known for his role as Dr. Leonard Hofstadter in The Big Bang Theory since 2007 and as David Healy in Roseanne from 1992–97. He also ...more

2
Kaley Cuoco is listed (or ranked) 2 on the list The Big Bang Theory Cast List
Kaley Cuoco The Big Bang Theory, Charmed, 8 Simple Rules - Kaley Christine Cuoco-Sweeting is an American actress, known for her roles as Bridget Hennessy on the ABC sitcom 8 Simple Rules, Billie Jenkins on the final season of the supernatural drama ...more

3
Kevin Sussman is listed (or ranked) 3 on the list The Big Bang Theory Cast List
Kevin Sussman The Big Bang Theory, Ugly Betty - Kevin Sussman is an American actor of television and film perhaps best known for his recurring roles as Stuart Bloom on the CBS sitcom The Big Bang Theory and as Walter on the ABC comedy-drama ...more

4
Alice Amter is listed (or ranked) 4 on the list The Big Bang Theory Cast List
Alice Amter The Big Bang Theory - Alice Amter is an actor.

5
Mayim Bialik is listed (or ranked) 5 on the list The Big Bang Theory Cast List
Mayim Bialik The Big Bang Theory, Blossom, Molloy - Mayim Hoya Bialik is an American actress and neuroscientist. From early January 1991 to May 1995, she played the title character of NBC's Blossom. Since May 2010, she has played Dr. Amy Farrah ...more

6
Ally Maki is listed (or ranked) 6 on the list The Big Bang Theory Cast List
Ally Maki Ally Maki is a Japanese-American actress.

7
Sara Gilbert is listed (or ranked) 7 on the list The Big Bang Theory Cast List
Sara Gilbert The Big Bang Theory, Roseanne, ER - Sara Gilbert is an American actress, best known for her role as Darlene Conner on the ABC sitcom Roseanne from 1988 to 1997, as co-host and creator of the daytime talk show The Talk and for her ...more

8
Simon Helberg is listed (or ranked) 8 on the list The Big Bang Theory Cast List
Simon Helberg The Big Bang Theory, Dr. Horrible's Sing-Along Blog, Kung Fu Panda: Legends of Awesomeness - Simon Maxwell Helberg is an American actor and comedian best known for his role as Howard Wolowitz in the sitcom The Big Bang Theory. He has appeared on the sketch comedy series MADtv and is ...more

9
Brian George is listed (or ranked) 9 on the list The Big Bang Theory Cast List
Brian George The Pink Panther Show, M.A.S.K., The Pink Panther - Brian George is a British-Israeli actor and voice actor for Indian accents, who typically plays guest roles for characters of South Asian descent. Perhaps his most famous roles are Pakistani ...more

10
Wil Wheaton is listed (or ranked) 10 on the list The Big Bang Theory Cast List
Wil Wheaton Star Trek: The Next Generation, Eureka, Ben 10: Alien Force - Richard William "Wil" Wheaton III is an American actor, blogger and writer, known for his portrayals of Wesley Crusher on the television series Star Trek: The Next Generation, Gordie ...more

11
Brian Smith is listed (or ranked) 11 on the list The Big Bang Theory Cast List

12
Jim Parsons is listed (or ranked) 12 on the list The Big Bang Theory Cast List
Jim Parsons The Big Bang Theory - James Joseph "Jim" Parsons is an American actor. He is best known for playing Sheldon Cooper in the CBS sitcom The Big Bang Theory, with his performance often cited as a significant ...more

13
Kunal Nayyar is listed (or ranked) 13 on the list The Big Bang Theory Cast List
Kunal Nayyar The Big Bang Theory - Kunal Nayyar is a British-Indian actor and writer known for his role as Dr. Raj Koothrappali in the CBS sitcom The Big Bang Theory.

14
Aarti Mann is listed (or ranked) 14 on the list The Big Bang Theory Cast List
Aarti Mann The Big Bang Theory - Aarti Majumdar, better known by her stage name Aarti Mann, is an American actress of Indian origin. She has starred in several television programs, including a part in the sci-fi drama Heroes. ...more

15
Carol Ann Susi is listed (or ranked) 15 on the list The Big Bang Theory Cast List
Carol Ann Susi The Big Bang Theory, Something So Right - Carol Ann Susi was an American actress best known for providing the voice of recurring unseen character Mrs. Wolowitz on the television series The Big Bang Theory.

16
Brooke D'Orsay is listed (or ranked) 16 on the list The Big Bang Theory Cast List
Brooke D'Orsay Royal Pains, Gary Unmarried, 6teen - Brooke D'Orsay is a Canadian actress from Toronto, Ontario. She is best known for her roles as Caitlin Cooke on the animated Canadian series 6teen and Brooke Mayo on King's Ransom. For American ...more

17
Melissa Rauch is listed (or ranked) 17 on the list The Big Bang Theory Cast List
Melissa Rauch The Big Bang Theory, Best Week Ever - Melissa Ivy Rauch is an American actress and comedian. She is best known for her role as Dr. Bernadette Rostenkowski-Wolowitz on the CBS sitcom The Big Bang Theory.

18
Chris Krauser is listed (or ranked) 18 on the list The Big Bang Theory Cast List
Chris Krauser Chris Krauser appeared in the 2009 film Spring Breakdown.

19
Christine Baranski is listed (or ranked) 19 on the list The Big Bang Theory Cast List
Christine Baranski The Good Wife, Scooby-Doo! in Where's My Mummy?, Another World - Christine Jane Baranski is an American stage and screen actress. She is an Emmy Award winner and a two-time Tony Award winner. Baranski made her stage debut in 1974 and her Broadway debut in ...more

20
Danica McKellar is listed (or ranked) 20 on the list The Big Bang Theory Cast List
Danica McKellar The Wonder Years, Young Justice, The Secret Life of the American Teenager - Danica Mae McKellar is an American actress, author, mathematician, and education advocate. She is well known for her role as Kevin Arnold's on-again, off-again girlfriend Winnie Cooper in the ...more

21
Elena Campbell-Martinez is listed (or ranked) 21 on the list The Big Bang Theory Cast List
Elena Campbell-Martinez Coastal Dreams - Elena Campbell-Martinez is an actress.

22
Eliza Dushku is listed (or ranked) 22 on the list The Big Bang Theory Cast List
Eliza Dushku Buffy the Vampire Slayer, Dollhouse, Tru Calling - Eliza Patricia Dushku is an American actress known for her television roles, including starring as Faith on Buffy the Vampire Slayer and its spinoff series Angel. She starred in two Fox series, ...more

23
Erin Allin O'Reilly is listed (or ranked) 23 on the list The Big Bang Theory Cast List
Erin Allin O'Reilly Erin Allin O'Reilly is an actress.

24
Ian Scott Rudolph is listed (or ranked) 24 on the list The Big Bang Theory Cast List
Ian Scott Rudolph Ian Scott Rudolph is an American film and television actor best known for his recurring role as Captain Sweatpants on CBS sitcom, The Big Bang Theory.

25
John Ross Bowie is listed (or ranked) 25 on the list The Big Bang Theory Cast List
John Ross Bowie The Big Bang Theory, A.U.S.A. - John Ross Bowie is an American actor and comedian best known for playing Barry Kripke, a recurring character on The Big Bang Theory. He appeared in the film What The Bleep Do We Know? opposite ...more

26
Laurie Metcalf is listed (or ranked) 26 on the list The Big Bang Theory Cast List
Laurie Metcalf Roseanne, The Norm Show, Getting On - Laura Elizabeth "Laurie" Metcalf is an American actress. She is most widely known for her performance as Jackie Harris on the ABC sitcom Roseanne and has also had series television ...more

27
Lewis Black is listed (or ranked) 27 on the list The Big Bang Theory Cast List
Lewis Black Scooby-Doo! Mystery, Inc., The Days and Nights of Molly Dodd - Lewis Niles Black is an American comedian, author, playwright, social critic and actor. He is known for his angry face, comedy and style, which often includes simulating a mental breakdown, or ...more

28
Mark Harelik is listed (or ranked) 28 on the list The Big Bang Theory Cast List
Mark Harelik Hearts Afire - Marcus Frank "Mark" Harelik is an American television, film, and stage actor, and playwright.

29
Sara Rue is listed (or ranked) 29 on the list The Big Bang Theory Cast List
Sara Rue Eastwick, Popular, Malibu Country - Sara Rue is an American television actress. She is best known for her performances as Carmen Ferrara on Popular, and as Claude Casey on Less than Perfect. In 2011, she hosted The CW reality ...more

30
Yeardley Smith is listed (or ranked) 30 on the list The Big Bang Theory Cast List
Yeardley Smith The Simpsons, The Tracey Ullman Show, Herman's Head - Yeardley Smith is a French-born American actress, voice actress, writer, comedian and painter. She is best known for her long-running role as Lisa Simpson on the animated television series The ...more