Eugene Scott
Frederic Forrest
Jody Scott
Kathleen Lloyd
Lydia
Glenda Young
Jody's Mother
Lynn Wood
Frank Davis
John P. Ryan
Mr. Mallory
John Marley
Dr. Forrest
Eddie Constantine
Dr. Perry
Andrew Duggan
Detective Perkins
James Dixon
Dr. Peters
Dennis O'Flaherty
Cindy
Jill Gatsby
Dr. Santo De Silva
Bobby Ramsen
Original Music Composer
Bernard Herrmann
Producer
William Wellman Jr.
Makeup Effects
Rick Baker
Makeup Artist
Director
Larry Cohen
Writer
Characters
Greg Cannom
Director of Photography
Fenton Hamilton
Editor
Curtis Burch
Louis G. Friedman
Carol Oblath
Assistant Director
Reid Freeman