Main Characters Jake Riley 13 main appearances Jana Mayfield 13 main appearances Major Alex "Lex" Carnahan 13 main appearances Katie Frank 11 main appearances Dr. Sabine Lommers 10 main appearances Dr. Victor Cannerts 10 main appearances Teresa Keaton 10 main appearances Leo Greene 9 main appearances
Recurring Guest Characters Suzy 12 guest appearances Quentin Frank 12 guest appearances Xander 11 guest appearances Thomas Graham 10 guest appearances Bert 9 guest appearances Dennis 9 guest appearances Officer Meese 9 guest appearances Micheline 8 guest appearances Chief Besser 8 guest appearances Sam 8 guest appearances Walden 7 guest appearances Trey 7 guest appearances Britney 6 guest appearances Mary 6 guest appearances Tony 6 guest appearances Cinco 6 guest appearances Leanne 5 guest appearances Captain Scott 5 guest appearances Ray 4 guest appearances Montana 4 guest appearances ⇤ « 1 2 3 4 5 » ⇥