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 Customer 2 guest appearances Bill Nye 2 guest appearances Dr. Alfred Hofstadter 2 guest appearances Police Officer 2 guest appearances Computer Voice 2 guest appearances Mrs. Petrescu 2 guest appearances Ellen DeGeneres 2 guest appearances Jess 2 guest appearances Katee Sackhoff 2 guest appearances Neil deGrasse Tyson 2 guest appearances Dr. Graybel 2 guest appearances Marissa 2 guest appearances Karen 2 guest appearances Dr. George F. Smoot 2 guest appearances Officer Hernandez 1 guest appearances Older Gentleman 1 guest appearances Woman 1 guest appearances Roy 1 guest appearances Stadium Announcer 1 guest appearances Doug 1 guest appearances ⇤ « 1 2 3 4 5 6 7 8 9 10 » ⇥