The Big Bang Theory

Leonard Hofstadter (129 episodes)

Sheldon Cooper (129 episodes)

Howard Wolowitz (129 episodes)

Raj Koothrappali (129 episodes)

Penny (128 episodes)

Bernadette Rostenkowski (60 episodes)

Bernadette

Amy Farrah Fowler (57 episodes)

Mrs. Wolowitz (29 episodes)

Stuart (23 episodes)

Priya Koothrappali (12 episodes)

Priya

Barry Kripke (9 episodes)

Kripke

Leslie Winkle (8 episodes)

Mrs. Koothrappali (8 episodes)

Dr. Koothrappali (7 episodes)

Dr. V. M. Koothrappali

Himself (6 episodes)

Dr. Eric Gablehauser (5 episodes)

Captain Sweatpants (5 episodes)

Mary Cooper (4 episodes)

Althea (4 episodes)

Train Conductor (4 episodes)

Astronaut

Announcer

Alex Jensen (4 episodes)

Alex

Lucy (4 episodes)

Dimitri (4 episodes)

Himself (4 episodes)

Stephanie Barnett (3 episodes)

Kurt (3 episodes)

Beverly Hofstadter (3 episodes)

President Siebert (3 episodes)

Zack (3 episodes)

Lonely Larry (3 episodes)

Lonely Harry

Mr. Rostenkowski (3 episodes)

Chen (2 episodes)

Maria (2 episodes)

Cleaning Lady

Restaurant Patron (2 episodes)

Cheryl (2 episodes)

Cole (2 episodes)

Security Guard (2 episodes)

Glen

Herself (2 episodes)

Himself (2 episodes)

Club Patron (2 episodes)

Announcer (2 episodes)

Bethany (1 episodes)

Mike (1 episodes)

FBI Special Agent Angela Page (1 episodes)

Venkatesh Koothrappali (1 episodes)

Officer Hackett (1 episodes)

Dr. Elizabeth Plimpton (1 episodes)

Octavia (1 episodes)

Himself (1 episodes)

Woman (1 episodes)