Cast
Lon Chaney Jr.
David Stuart
Jean Parker
Heather Hayden
Paul Kelly
Dr. Alan Bittaker
Thomas Gomez
Police Capt. Drury
Jonathan Hale
Dr. Sam Welles
Edward Fielding
Dr. Stanley Hayden
George Meeker
Nick Phillips
Pierre Watkin
Hayden's Lawyer
Eddie Dunn
Police Guard Moriarty
Acquanetta
Tanya Czoraki
John Elliott
Allen Fox
David Hoffman
Rex Lease
Leslie K. O'Pace
Beatrice Roberts
Crew
Art
Martin Obzina
Art Direction
Leigh Smith
Set Decoration
Russell A. Gausman
Set Decoration
John B. Goodman
Art Direction
Costume & Make-Up
Vera West
Costume Design
Editing
Milton Carruth
Editor
Visual Effects
John P. Fulton
Visual Effects
Writing
Dwight V. Babcock
Screenplay