Main Characters Charleston Whitney Tucker 13 main appearances President Roberta Payton 13 main appearances Grace Hough 11 main appearances Lucas Wright 10 main appearances Brett Welker 10 main appearances Miles Singh 9 main appearances CIA Director Skinner Chief of Staff Mitchell Manning D.T. Sal Gomez
Recurring Guest Characters Nick Vera 10 guest appearances Marshall Payton 8 guest appearances Omar Fatah 8 guest appearances Senator Burke 2 guest appearances Victor Gantry 2 guest appearances Jack Dawkins 2 guest appearances Ahmad Ahmadi 1 guest appearances Sheikh Hakam 1 guest appearances Sheikh Hakam 1 guest appearances Stacy Dover 1 guest appearances Kyle Green 1 guest appearances Al Moosari 1 guest appearances Ray Navarro 1 guest appearances Senator Green 1 guest appearances Aaron 1 guest appearances