Elenco
John Cassavetes
Dr. Sam Cordell
John Ireland
Hank Walden
Helen Hughes
Agatha Galen
Kerrie Keane
Laura Kincaid
Erin Noble
Jenny Cordell
Duncan McIntosh
Tim Galen
Harvey Atkin
Joe Prescott
Harry Ditson
Lt. Drivas
Mitch Martin
Mandy Pullman
Matt Birman
Roy Seeley
Beverly Cooper
Pru Keaton
Brian Young
Charlie Prescott
Barbara Franklin
Mrs. Pullman
Neil Dainard
Ernie Barnes
Jennifer Leak
Deena Ferrin
Denise Fergusson
Carolyn Davies
Helene Udy
Sally Harper
Michelle Davros
Jane Barnes
Mary Pirie
Marge (uncredited)
Bruce Dickinson
Samson Lead Singer (uncredited)
Equipe
Deirdre Bowen
Casting
Stanley Myers
Music
Hilton Rosemarin
Set Decoration
Stephen J. Friedman
Executive Producer
Susan Longmire
Art Direction
Mary Kahn
Production Manager
Louise Casselman
Assistant Director
James Kielev
Hairstylist
John M. Eckert
Producer
George Appleby
Editor
Clare Walker
Casting
Elinor Fairless Hawksley
Art Direction
Edwin Watkins
Production Design
Katherine Southern
Makeup Supervisor
Marc Boyman
Producer
Maureen Sweeney
Special Effects Makeup Artist
Albert J. Dunk
Director of Photography
Robert Wertheimer
Assistant Director
George Franklin
Screenplay
Ray Russell
Novel
John Hough
Director
David Hood
First Assistant Director
John Cassavetes
Screenplay
Drew Struzan
Art Designer