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 Vanessa 1 guest appearances Cliff 1 guest appearances Yeager 1 guest appearances Chunky Kid 1 guest appearances Suzie O'Keefe 1 guest appearances Joe Lucky 1 guest appearances Mile 1 guest appearances Needles 1 guest appearances Alexis White 1 guest appearances Swimsuit Model 1 guest appearances S.I. Model #1 1 guest appearances Bell Man 1 guest appearances Fulcrum Agent 1 guest appearances Fulcrum Agent #2 1 guest appearances S.I. Model #2 1 guest appearances Howard Busgang 1 guest appearances Duncan 1 guest appearances Harold 1 guest appearances Attendant 1 guest appearances Barclay 1 guest appearances ⇤ « 4 5 6 7 8 9 10 11 12 13 » ⇥