Dean
Dr. Abbot
Sara
Amelia
Dr. Nicholas Turner
Colleen
Agent Wasach
Eve
Hastings
Portus
Yosef
Young Sara
ISD Staffer
Crew Chief
Specialist Robert Kelley
Cobb the Gas Station Guy
Young Portus
Commander
Farmer at Gas Station
Tour Guest
Grad Student
Jake
Communications Officer
Female Student
Security Guard #1
Security Guard #2
Autopsy Tech
Military Soldier (uncredited)
Jock (uncredited)
Student (uncredited)
Cheerleader (uncredited)
Adult Male Alien (uncredited)
Football Player (uncredited)