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 Astronaut 1 guest appearances Ground Controller 1 guest appearances Professor Crawley 1 guest appearances Bethany 1 guest appearances Sarah 1 guest appearances Skeeter 1 guest appearances Dr. Catherine Millstone 1 guest appearances Professor Laughlin 1 guest appearances Todd 1 guest appearances Denny 1 guest appearances Abby 1 guest appearances Martha 1 guest appearances Officer Hackett 1 guest appearances Young Man 1 guest appearances Sandy 1 guest appearances Glen 1 guest appearances Judge J. Kirby 1 guest appearances Guard 1 guest appearances Venkatesh 1 guest appearances Dr. Elizabeth Plimpton 1 guest appearances ⇤ « 2 3 4 5 6 7 8 9 10 11 » ⇥