Discover
George Nader
Glenn Martin
Barbara Nichols
Gale Wilson
George Macready
Prof. Vaughn Dornheimer
Dolores Faith
Lisa Dornheimer
Hugh Beaumont
Austin Welles
Richard Arlen
National Intelligence
Richard Kiel
Dr. Kolos
John Indrisano
Thor, the Butler
Ted Durant
The Galaxy Being
Tommy Leonetti
Reporter (uncredited)
Margaret Teele
Blonde Lab Assistant
Alean 'Bambi' Hamilton
Brunette Lab Assistant
Walter Abel
Dr. Munson
Mel Ruick
Dr. Munson (as Melville Ruick)
Kim Satana
Dr. Lin Yung
John Dasten
(as John Daston)
William White
(as Bill Hampton)
Lon Satton
Reporter (uncredited)
Andrew Johnson
(Uncredited)
Costume & Make-Up
Mickey Meyers
Costume Design
Bob Mark
Makeup Artist
Kay Shea
Hairstylist
John Chambers
Special Effects Makeup Artist
Crew
Roger George
Special Effects
Directing
Hugo Grimaldi
Director
Jesse Corallo
Assistant Director
Clancy Herne
Second Assistant Director
Editing
Donald Wolfe
Editor
Lighting
George Marquenie
Gaffer
Production
Lawrence Woolner
Executive Producer
Hugo Grimaldi
Producer
Arthur C. Pierce
Producer
Jesse Corallo
Production Manager
Marvin Paige
Casting Consultant
Writing
Arthur C. Pierce
Writer
Costume & Make-Up
Mickey Meyers
Costume Design
Bob Mark
Makeup Artist
Kay Shea
Hairstylist
John Chambers
Special Effects Makeup Artist
Crew
Roger George
Special Effects
Directing
Hugo Grimaldi
Director
Jesse Corallo
Assistant Director
Clancy Herne
Second Assistant Director
Editing
Donald Wolfe
Editor
Lighting
George Marquenie
Gaffer
Production
Lawrence Woolner
Executive Producer
Hugo Grimaldi
Producer
Arthur C. Pierce
Producer
Jesse Corallo
Production Manager
Marvin Paige
Casting Consultant
Writing
Arthur C. Pierce
Writer