Laura Matson
Marguerite Chapman
Joey Faust
Douglas Kennedy
State Policeman
Stacy Morgan
Security Guard
Norman Smith
Major Paul Krenner
James Griffith
Dr. Peter Ulof
Ivan Triesault
Julian
Boyd 'Red' Morgan
Maria Ulof
Cormel Daniel
Drake
Edward Erwin
Smith
Jonathan Ledford
Patrick Cranshaw
Dennis Adams
Director
Edgar G. Ulmer
Makeup Artist
Jack Pierce
Producer
Lester D. Guthrie
Executive Producer
Robert L. Madden
John Miller
Original Music Composer
Darrell Calker
Director of Photography
Meredith M. Nicholson
Editor
Jack Ruggiero
Production Design
Ernst Fegté
Visual Effects
Howard A. Anderson
Assistant Director
Leonard J. Shapiro
Sound Mixer
Earl Snyder
Script Supervisor
Shirley Ulmer
Camera Operator
Jack McCoskey
Electrician
Frank Leonetti
Grip
George Fenaja
Set Dresser
Louise Caldwell
Property Master
Joe Sullivan
Special Effects
Roger George
Wardrobe Master
Jack Masters
Sound Editor
Don Olson
Music Editor
Gilbert D. Marchant
Screenplay
Jack Lewis