Main Characters Mark Benford 22 main appearances Demetri Noh 22 main appearances Stan Wedeck 22 main appearances Olivia Benford 22 main appearances Janis Hawk 18 main appearances Lloyd Simcoe 17 main appearances Aaron Stark 17 main appearances Bryce Varley 16 main appearances Nicole Kirby 14 main appearances Simon Campos 14 main appearances
Recurring Guest Characters Surgeon General Anita Ralston 1 guest appearances Maya 1 guest appearances Senator Noland 1 guest appearances CIA Director Keller 1 guest appearances SETI Chairman Warren Moore 1 guest appearances Press Secretary 1 guest appearances Connelly 1 guest appearances Randy 1 guest appearances Broadcaster 1 guest appearances Renee Garrigos 1 guest appearances Little Boy 1 guest appearances Jim 1 guest appearances Maureen 1 guest appearances Tae Kwon Do Instructor 1 guest appearances Camille 1 guest appearances Ernesto 1 guest appearances Simon's Victim 1 guest appearances Masked Figure 1 guest appearances Dad 1 guest appearances Kid 1 guest appearances ⇤ « 1 2 3 4 5 6 7 8 9 10 » ⇥