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 Kathleen McHugh 4 guest appearances Clyde Decker 4 guest appearances Gertrude Verbanski 4 guest appearances Nicholas Quinn 4 guest appearances TV Reporter 3 guest appearances Dr. Honey Woodcombe 3 guest appearances Bolonia 3 guest appearances Vincent 3 guest appearances Ted Roark 3 guest appearances Young Chuck 3 guest appearances Director Jane Bentley 3 guest appearances Riley 3 guest appearances Scooter 2 guest appearances Customer 2 guest appearances Lou Palone 2 guest appearances Roan Montgomery 2 guest appearances Heather Chandler 2 guest appearances Fulcrum Killer 2 guest appearances Dr. Woody Woodcombe 2 guest appearances Jack Burton 2 guest appearances ⇤ « 1 2 3 4 5 6 7 8 9 10 » ⇥