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 Young Nurse 1 guest appearances Fatima Tazi 1 guest appearances Yaida 1 guest appearances Salina 1 guest appearances Amina 1 guest appearances Souad Al Habi 1 guest appearances Amy 1 guest appearances Augusto Gaez 1 guest appearances Boris Kaminsky 1 guest appearances Christoph 1 guest appearances Masked Guest 1 guest appearances Antonia 1 guest appearances Party Goer 1 guest appearances Jurek 1 guest appearances Guillermo Chan 1 guest appearances Centaur 1 guest appearances Henry VIII 1 guest appearances Older Technician 1 guest appearances Younger Technician 1 guest appearances Leather Woman 1 guest appearances ⇤ « 12 13 14 15 16 17 18 19 20 21 » ⇥