Diễn viên
Lara Gilchrist
Lena
Jill Morrison
Pregnant Woman
Michael Trucco
Tom Young
Kari Matchett
Dr. Michelle Young
Eric Johnson
Kyle Pember
Kevin McNulty
Général Brock
Travis Nelson
Brad
Viv Leacock
Colonel Jack Clancy
Anna Mae Wills
Lieutenant Gray
Brett Dier
Jason Young
Carmen Moore
Harper
Val Cole
Female Newscaster
Kirsten Zien
Kara Young
Emy Aneke
Sergeant
Terry Chen
National Guard
Geoff Gustafson
Lab Assistant