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 Hans 1 guest appearances Nurse 1 guest appearances Bad Guy #1 1 guest appearances Barry Nyes 1 guest appearances Mighty Jock 1 guest appearances Waiter 1 guest appearances Columbian 1 guest appearances Mark Ratner 1 guest appearances Dick Duffy 1 guest appearances Drunk Guy 1 guest appearances Enthusiastic Girl 1 guest appearances Woman 1 guest appearances Male Customer 1 guest appearances Conscientious Customer 1 guest appearances Bunny 1 guest appearances Mr. Morimoto 1 guest appearances Farrokh Bulsara 1 guest appearances Stu Brewster 1 guest appearances Engineer #1 1 guest appearances Engineer #2 1 guest appearances ⇤ « 1 2 3 4 5 6 7 8 9 10 » ⇥