Robert Clarke
John Lawrence
Robert Clarke
John Lawrence
Margaret Field
Enid Elliot
Raymond Bond
Prof. Elliot
William Schallert
Dr. Mears
Roy Engel
Tommy the Constable
David Ormont
Inspector Porter
Gilbert Fallman
Dr. Robert Blane
Pat Goldin
The Man from Planet X
Tom Daly
Donal, a searcher
June Jeffery
Wife of Missing Man
Aubrey Wisberg
Producer
Jack Pollexfen
Producer
Jack Pollexfen
Writer
Charles Koff
Original Music Composer
John L. Russell
Director of Photography
Edgar G. Ulmer
Director
Fred R. Feitshans Jr.
Editor
Aubrey Wisberg
Writer
Angelo Scibetta
Art Direction
Byron Vreeland
Art Direction
Jack R. Glass
Visual Effects
William Randall Sr.
Sound
Joel Moss
Sound
Andy Anderson
Special Effects
Lester D. Guthrie
Assistant Director
Howard Weeks
Special Effects