Zachary Levias Charles "Chuck" Bartowski
Yvonne Strahovskias Sarah Walker
Adam Baldwinas Colonel John Casey
Joshua Gomezas Morgan Grimes
Vik Sahayas Lester Patel
Scott Krinskyas Jeffrey "Jeff" Barnes
Sarah Lancasteras Dr. Eleanor "Ellie" Bartowski
Bonita Friedericyas Brigadier General Diane Beckman
Ryan McPartlinas Dr. Devon "Captain Awesome" Woodcomb
Mark Christopher Lawrenceas Michael "Big Mike" Tucker
