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)
Walter Maslow
Larry Barton
Lori Lyons
Benito Prezia
