Discover
John Carradine
Dr. Charles Conway
Myron Healey
Mark Houston
Allison Hayes
Grace Thomas
Marilyn Buferd
Dr. Sharon Gilchrist
Tor Johnson
Lobo
Arthur Batanides
Danny Green
Sally Todd
Natalie Andries
Harry Fleer
Harry Jedrow
Roy Gordon
Dr. Loren Wright
Guy Prescott
Police Captain George Reagan
Raymond Guth
Police Officer Miller
Paul McWilliams
Police Officer Ed
Gloria Petroff
Screaming Woman
Karl Johnson
Monster in Basement (uncredited)
Harry Wilson
Monster in Basement (uncredited)
Directing
Boris Petroff
Director
Editing
Richard C. Currier
Supervising Editor
Lighting
Paul Grancell
Electrician
Production
Boris Petroff
Producer
Betty Sinclair
Production Manager
Robert A. Terry
Associate Producer
Directing
Boris Petroff
Director
Editing
Richard C. Currier
Supervising Editor
Lighting
Paul Grancell
Electrician
Production
Boris Petroff
Producer
Betty Sinclair
Production Manager
Robert A. Terry
Associate Producer