Calificación
Reparto

Florence Marly
Alien Queen

Basil Rathbone
Dr. Farraday

John Saxon
Allan Brenner

Judi Meredith
Laura James

Dennis Hopper
Paul Grant

Robert Boon
Anders Brockman

Don Eitner
Tony Barrata

Virgil Frye
Control Panel

Forrest J. Ackerman
Farraday's Aide

Gary Crutcher
Spaceship Crew Member