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 Waiter 1 guest appearances Dale 1 guest appearances Bartender 1 guest appearances Jeremiah 1 guest appearances Big Michelle 1 guest appearances Indian Woman 1 guest appearances Commando #1 1 guest appearances Snowboarder Employee 1 guest appearances Bobbi 1 guest appearances Ron 1 guest appearances Business Woman 1 guest appearances Brad 1 guest appearances Sylvia Arculin 1 guest appearances Bo Derek 1 guest appearances Serena 1 guest appearances Captain Richard Noble 1 guest appearances Captain Victoria Dunwoody 1 guest appearances Lizzie 1 guest appearances Detective Conway / Longshore 1 guest appearances Agent Granzow 1 guest appearances ⇤ « 14 15 16 17 18 19 20 21 22 23 » ⇥