Main Characters Leonard Leakey Hofstadter 279 main appearances Sheldon Lee Cooper 279 main appearances Howard Joel Wolowitz 279 main appearances Rajesh Ramayan Koothrappali 279 main appearances Penny 276 main appearances Bernadette Marianne Rostenkowski 204 main appearances Amy Farrah Fowler 199 main appearances Stuart Bloom 59 main appearances Emily Sweeney 5 main appearances Leslie Winkle 4 main appearances
Recurring Guest Characters Chelsea 1 guest appearances Casting Assistant 1 guest appearances Alien #2 1 guest appearances Alien 1 guest appearances Headmaster Edwards 1 guest appearances Tech Support 1 guest appearances Tech Support Recording 1 guest appearances Security Guard #2 1 guest appearances Security Guard 1 guest appearances Mitchell 1 guest appearances Hostess 1 guest appearances Cindy 1 guest appearances James Earl Jones 1 guest appearances Carrie Fisher 1 guest appearances Buzz Aldrin 1 guest appearances Minister 1 guest appearances Receptionist 1 guest appearances Spock 1 guest appearances Mandy Chow 1 guest appearances Steve Wozniak 1 guest appearances ⇤ « 7 8 9 10 11 12 13 14 15 16 » ⇥