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 Mary "The Little Girl" 1 guest appearances Sleeper Guard 1 guest appearances Garbage Man 1 guest appearances News Reporter 1 guest appearances Food Manager 1 guest appearances Nurse 1 guest appearances Lab Tech 1 guest appearances Doctor 1 guest appearances Speaker of the House 1 guest appearances TSA Agent 1 guest appearances Staffer #2 1 guest appearances Commando 1 guest appearances Security Guard 1 guest appearances Local TV Reporter 1 guest appearances Staffer 1 guest appearances Hazmat Tech #2 1 guest appearances Commando #2 1 guest appearances Hazmat Tech 1 guest appearances James Dempsey 1 guest appearances ⇤ « 4 5 6 7 8 9 10 11 12 13 » ⇥