Main Characters Charles "Chuck" Bartowski 90 main appearances Sarah Walker 90 main appearances Colonel John Casey 90 main appearances Morgan Grimes 88 main appearances Dr. Eleanor "Ellie" Bartowski 75 main appearances Lester Patel 64 main appearances Brigadier General Diane Beckman 23 main appearances Jeffrey "Jeff" Barnes 64 main appearances Dr. Devon "Captain Awesome" Woodcomb 59 main appearances Michael "Big Mike" Tucker 42 main appearances Anna Wu 15 main appearances
Recurring Guest Characters Gilles 1 guest appearances Stage Manager 1 guest appearances Agent 1 guest appearances Piano Player 1 guest appearances The Poisoner 1 guest appearances Head of Security 1 guest appearances Scarred Revolutionary 1 guest appearances Professor 1 guest appearances Julius 1 guest appearances Sydney Prince 1 guest appearances Old Thai Woman 1 guest appearances Ring Agent 1 guest appearances Manoosh 1 guest appearances Ring Agent 1 guest appearances Tour Guide 1 guest appearances Bartender 1 guest appearances Nikos Vasillis 1 guest appearances Museum Curator 1 guest appearances Ring Boss 1 guest appearances Rafe Gruber 1 guest appearances ⇤ « 6 7 8 9 10 11 12 13 14 15 » ⇥