Narrator (voice)
Ray LePine
Commander Jenkins
Sam Boedecker
Tomar-Re (voice)
Mike McBride
Vaughn Smallhouse
Mike McBride
Mike McBride
Narrator (voice) (uncredited)
Dr. Bangley
Mike McBride
Mike McBride
Mike McBride
Mike McBride
Mike McBride
Mike McBride
Mike McBride
Jack Landry
Mayor Harold Herman
Narrator (voice)
Patrick Korda
Gavin Corbett
Walter
Maury Manning
Himself
Michael Lane
Slasher (opening sequence) (uncredited)
Lawrence Van Dough
Jerry Johnson (credited in Director's Cut)
Doctor Albert Quince
Mark Bannister
Wills
Gus
David Bedford
Douglas Forbes
Don Moore
Billy Ace
Lieutenant Felix Foxglove
Bob X. Cursion
Army Officer
Arthur Williams
Bronte Judson
Capt. Stillman
Claude
X-Ray Technician
TV Talk Show Host
Leading Man
2nd Lt. Robert 'Bob' Anderson
Narrator (voice)
