Credits
Cast
Ray Milland
Maxwell Kirshner
Rosey Grier
Jack Moss
Don Marshall
Dr. Fred Williams
Roger Perry
Dr. Philip Desmond
Chelsea Brown
Lila
Kathrine Baumann
Patricia
John Dullaghan
Thomas
John Bliss
Donald
Bruce Kimball
Police Lieutenant
Jane Kellem
Miss Mullen
Lee Frost
Sergeant Hacker
Wes Bishop
Dr. Smith
Roger Gentry
Police Sergeant
Britt Nilsson
Nurse
Rick Baker
Gorilla
Phil Hoover
Policeman
Rod Steele
Medical Salesman
Michael Viner
Prison Guard
William Smith
Hysterical Condemned Man
Jerry Butler
Prison Guard
George E. Carey
Mitch
Tommy Cook
Priest
Albert Zugsmith
Cameo
Dick Whittington
TV Newscaster
Ron Gans
Reporter in Tan Coat (uncredited)
Joan Prather
Nurse (uncredited)
Ray Sebastian
Policeman in Car 219 (uncredited)
Camera
Jack Steely
Director of Photography
Crew
Daniel C. Striepeke
Special Effects
Rick Baker
Special Effects
Thomas R. Burman
Special Effects
Charles H. Schram
Special Effects
Gail Brown
Special Effects
Pete Peterson
Special Effects
Paul Nuckles
Stunt Coordinator
Bud Ekins
Stunts
Directing
Lee Frost
Director, Screenplay, Story
Production
John Lawrence
Executive Producer
Roger Gentry
Production Manager
Sound
Robert O. Ragland
Original Music Composer
Writing
James Gordon White
Screenplay
Wes Bishop
Screenplay, Story, Producer