Dr. Brian Taft
Dr. Daniel Cassian
Agent Michael Hailey
Major Kay Harrier
Tyrell Williams (as Eugene 'Dobby' Williams)
Russ Johnson
Maggie
Dr. Klein
Lab Tech (as Henry Hayashi)
Jenny
SWAT Team Leader
Medical Examiner
TV Reporter
2nd Officer
Downed Man (as Wiley Pickett)
Air Force Officer
(uncredited)