Main Characters Sean Walker 22 main appearances Leila Buchanan 22 main appearances Sophia Maguire 22 main appearances Blake Sterling 22 main appearances President Elias Martinez 22 main appearances Simon Lee 21 main appearances Vice-President Raymond Jarvis 20 main appearances Christina Martinez 19 main appearances Vicky Roberts 18 main appearances Michael Buchanan 17 main appearances Thomas 12 main appearances
Recurring Guest Characters Henri 2 guest appearances Henchman 2 guest appearances Senator Lewis' Aide 2 guest appearances Alexandra 2 guest appearances Kroll 2 guest appearances Rogers 2 guest appearances Delgado 2 guest appearances NSA Agent / Signals Analyst 2 guest appearances Molly Dixon 1 guest appearances Frank Decosta 1 guest appearances Jerry Boersma 1 guest appearances Samantha 1 guest appearances Agent #1 1 guest appearances Bob Kramer 1 guest appearances JB 1 guest appearances Desk Clerk 1 guest appearances James 1 guest appearances Other Air Controller 1 guest appearances Marla 1 guest appearances General Addington 1 guest appearances ⇤ « 1 2 3 4 5 6 7 8 9 10 » ⇥