John Carradine
Dr. Charles Conway
Acting
Myron Healey
Mark Houston
Acting
Allison Hayes
Grace Thomas
Acting
Marilyn Buferd
Dr. Sharon Gilchrist
Acting
Tor Johnson
Lobo
Acting
Arthur Batanides
Danny Green
Acting
Sally Todd
Natalie Andries
Acting
Harry Fleer
Harry Jedrow
Acting
Roy Gordon
Dr. Loren Wright
Acting
Guy Prescott
Police Captain George Reagan
Acting
Raymond Guth
Police Officer Miller
Acting
Paul McWilliams
Police Officer Ed
Acting
Gloria Petroff
Screaming Woman
Acting
Karl Johnson
Monster in Basement (uncredited)
Acting
Harry Wilson
Monster in Basement (uncredited)
Acting