Amount of characters
There are 44 characters in The Big Bang Theory.
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- Dr. Leonard Leakey Hofstadter
- Dr. Dr. Sheldon Lee Cooper
- Penny Hofstadter
- Howard Joel Wolowitz, M.Eng.
- Dr. Rajesh „Raj“ Ramayan Koothrappali
- Dr. Leslie Winkle
- Dr. Bernadette Maryann Rostenkowski-Wolowitz
- Dr. Amy Farrah Fowler
- Stuart Bloom
- Dr. Emily Sweeney
- Mary Cooper
- Debbie Wolowitz
- Dr. V. M. Koothrappali
- Mrs. Koothrappali
- Barry Kripke
- Dr. Beverly Hofstadter
- Zack Johnson
- Priya Koothrappali
- Mike Rostenkowski
- Alex Jensen
- Lucy
- Bert Kibbler
- Dale
- Wyatt
- Eric Gablehauser
- Missy Cooper
- Dr. Alfred Hofstadter
- Chen
- Ruchi
- Janine Davis
- Ramona Nowitzki
- Dimitri Rezinov
- President Siebert
- Dave Gibbs
- Dr. Arthur Jeffries
- Colonel Williams
- Cheryl
- Dan
- Dr. Stephanie Barnett
- Captain Sweatpants
- Lonely Larry
- Claire
- Kurt
- Althea