机械怪兽

Phil Tucker

Wyott Ordung

Screenplay

George Nader

Roy

Claudia Barrett

Alice

Gregory Moffett

Johnny

Jack Mylong-Münz

The Professor

Selena Royle

Mother

Pamela Paulson

Carla

George Barrows

Ro-Man the Monster / Great Guidance

John Brown

Ro-Man / Great Guidance (voice)