David James Elliott

as Alex Kittner

Natasha Henstridge

as Dr. Maddie Rhodes

Benjamin Sadler

as Roland Emerson

Steven Culp

as President Edward Taylor

James Cromwell

as Lloyd

Florentine Lahme

as Martina Altmann

Natasha Calis

as Sadie Kittner

Owen Best

as Jake Kittner

Michael Kopsa

as General Vaughn

Samantha Ferris

as Renee Ferguson