Entertainment 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
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
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
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
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
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 is a Japanese-American actress.
7
Sara Gilbert is listed (or ranked) 7 on the list The Big Bang Theory Cast List
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
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
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
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
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
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
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
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
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
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 appeared in the 2009 film Spring Breakdown.
19
Christine Baranski is listed (or ranked) 19 on the list The Big Bang Theory Cast List
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
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
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
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 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
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