Cast
George Nader
Roy
Claudia Barrett
Alice
Gregory Moffett
Johnny
John Mylong
The Professor
Selena Royle
Mother
Pamela Paulson
Carla
George Barrows
Ro-Man the Monster / Great Guidance
John Brown
Ro-Man / Great Guidance (voice)
Crew
Jack Greenhalgh
Director of Photography
Merrill G. White
Editor
Phil Tucker
Director
Elmer Bernstein
Original Music Composer
Phil Tucker
Producer
Wyott Ordung
Screenplay
Al Zimbalist
Executive Producer
Alan Winston
Associate Producer
Robert E. Barnes
Assistant Director
Clarence Eurist
Production Supervisor
Recommended
Info provided by The Movie Database. Watch sources provided by JustWatch.