Calificación
Reparto

Rod Lauren
Paul Lawrence

Sirry Steffen
Marta Farnstrom

Peter Breck
Steve Curan

Kent Taylor
Dr. Max Weitzberg

Alan Hale Jr.
Sheriff Townsend

Ross Elliott
Deputy Earl Harrison

Beverly Lunsford
Patsy Townsend

Allison Hayes
Donna

Ed Werner
Prof. Farnstrom

Arline Judge
Mrs. Hotchkiss

Richard Arlen
Lee Barrenger

Syd Saylor
Soda Shop Owner

Tris Coffin
Security Chief Meidel

Les Hoyle
Astronaut Mel Lockhart