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The Big Bang Theory Cast List

Updated June 14, 2019 61.2k views30 items

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

    The Big Bang Theory, Roseanne
    John Mark Galecki (born April 30, 1975) is an American actor. He played Leonard Hofstadter in the CBS sitcom The Big Bang Theory (2007–2019) and David Healy in the ABC sitcom Roseanne (1992–1997;...  more
  • 2

    Kaley Cuoco

    The Big Bang Theory, Charmed
    Kaley Christine Cuoco ( KWOH-koh; Italian: [ˈkwɔːko]; born November 30, 1985) is an American actress and producer. After a series of supporting film and television roles in the late 1990s, she landed...  more
  • 3

    Kevin Sussman

    The Big Bang Theory, Ugly Betty
    Kevin Sussman (born December 4, 1970) is an American actor and comedian. He played Walter on the ABC comedy-drama Ugly Betty and Stuart Bloom on the CBS sitcom The Big Bang Theory. Starting with the...  more
  • 4

    Alice Amter

    The Big Bang Theory
    Alice Amter is an actor....  more
  • 5

    Mayim Bialik

    The Big Bang Theory, Blossom
    Mayim Chaya Bialik ( MY-əm bee-AH-lik; born December 12, 1975) is an American actress, author, and neuroscientist. From 1991 to 1995, she played the title character of the NBC sitcom Blossom. Bialik...  more
  • 6
    Ally Maki (born December 29, 1986) is an American actress. She is best known for starring as Jess Kato in the TBS comedy series Wrecked and the voice of Giggle McDimples in Toy Story 4. ...  more
  • 7

    Sara Gilbert

    The Big Bang Theory, Roseanne
    Sara Gilbert (born January 29, 1975) is an American actress, best known for her role as Darlene Conner on the ABC sitcom Roseanne (1988–1997; 2018), for which she received two Primetime Emmy Award...  more
  • 8

    Simon Helberg

    The Big Bang Theory, Dr. Horrible's Sing-Along Blog
    Simon Maxwell Helberg (born December 9, 1980) is an American actor, comedian, and musician. He is known for playing Howard Wolowitz in the sitcom The Big Bang Theory (2007–2019), for which he won a...  more
  • 9

    Brian George

    The Pink Panther Show, M.A.S.K.
    Brian George (born 1 July 1952) is an Israeli-English actor, singer, voice artist and comedian best known for playing Pakistani restaurateur Babu Bhatt on Seinfeld and the gynaecologist father of Raj...  more
  • 10

    Wil Wheaton

    Star Trek: The Next Generation, Eureka
    Richard William Wheaton III (born July 29, 1972) is an American actor, blogger, and writer. He portrayed Wesley Crusher on the television series Star Trek: The Next Generation, Gordie Lachance in the...  more
  • 11
    Brian Smith may refer to:...  more
  • 12

    Jim Parsons

    The Big Bang Theory
    James Joseph Parsons (born March 24, 1973) is an American actor and producer. Parsons is known for playing Sheldon Cooper in the CBS sitcom The Big Bang Theory (2007–2019). He has received several...  more
  • 13

    Kunal Nayyar

    The Big Bang Theory
    Kunal Nayyar (, kuu-NAHL NY-ər; born 30 April 1981) is an Indian-American actor and comedian known for his role as Rajesh Ramayan Koothrappali in the CBS sitcom The Big Bang Theory. According to...  more
  • 14

    Aarti Mann

    The Big Bang Theory
    Aarti Majumdar (born March 3, 1978), better known by her stage name Aarti Mann, is an Indian-American actress. She has starred in several television programs, including a part in the sci-fi drama...  more
  • 15

    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....  more
  • 16

    Brooke D'Orsay

    Royal Pains, Gary Unmarried
    Brooke D'Orsay (born February 17, 1982) is a Canadian actress, best known for voicing the character of Caitlin Cooke on the Canadian animated-series, 6teen (2004–2010) and Brooke Mayo on King's...  more
  • 17

    Melissa Rauch

    The Big Bang Theory, Best Week Ever
    Melissa Ivy Rauch (born June 23, 1980) is an American actress. She is known for playing Bernadette Rostenkowski-Wolowitz on the CBS sitcom The Big Bang Theory for which she garnered a nomination for...  more
  • 18
    Chris Krauser appeared in the 2009 film Spring Breakdown....  more
  • 19

    Christine Baranski

    The Good Wife, Scooby-Doo! in Where's My Mummy?
    Christine Jane Baranski (born May 2, 1952) is an American actress, singer, and producer. She is a 15-time Emmy Award nominee, winning once in 1995 for Outstanding Supporting Actress in a Comedy...  more
  • 20

    Danica McKellar

    The Wonder Years, Young Justice
    Danica Mae McKellar (born January 3, 1975) is an American actress, mathematics writer, and education advocate. She played Winnie Cooper in the television series The Wonder Years. From 2010–2013 and...  more
  • 21
    Elena Campbell-Martinez is an actress....  more
  • 22

    Eliza Dushku

    Buffy the Vampire Slayer, Dollhouse
    Eliza Patricia Dushku (; born December 30, 1980) is an American actress, model and producer, primarily known for her television roles. She starred as Faith on Buffy the Vampire Slayer and its...  more
  • 23
    Erin Allin O'Reilly is an actress....  more
  • 24

    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....  more
  • 25

    John Ross Bowie

    The Big Bang Theory, A.U.S.A.
    John Ross Bowie (born May 30, 1971) is an American actor and comedian best known for playing Barry Kripke on The Big Bang Theory and, from 2016 to 2019, Jimmy DiMeo on Speechless. He appeared in What...  more