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