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 Denise 8 guest appearances Stephen Hawking 7 guest appearances Mike Rostenkowski 6 guest appearances Claire 6 guest appearances Mrs. Janine Davis 6 guest appearances Arthur Jeffries 6 guest appearances Mike Massimino 6 guest appearances Colonel Williams 6 guest appearances Dr. Eric Gablehauser 5 guest appearances Althea 5 guest appearances Wyatt 5 guest appearances Dimitri 5 guest appearances Captain Sweatpants 5 guest appearances Alex Jensen 4 guest appearances Man 3 guest appearances Kurt 3 guest appearances Ramona Nowitzki 3 guest appearances Dr. Stephanie Barnett 3 guest appearances Ira Flatow 3 guest appearances LeVar Burton 3 guest appearances ⇤ « 1 2 3 4 5 6 7 8 9 10 » ⇥