Vincent Price
Dr. Goldfoot / General Willis
Francesco Mulè
Colonel Doug Benson
Frankie Avalon
Craig Gamble (uncredited) (archive footage)
Susan Hart
Diane (uncredited) (archive footage)
Dwayne Hickman
Todd Armstrong (uncredited) (archive footage)
Aron Kincaid
Motorist Who Hits Diane (uncredited) (archive footage)
Moa Tahi
Hardjob - Dr. Goldfoot's Assistant (uncredited)
George Wang
Fong (uncredited)
Ennio Antonelli
Goldfoot Henchman (uncredited)
Amerigo Santarelli
Goldfoot Henchman (uncredited)
Veriano Ginesi
Bald Goldfoot Henchman (uncredited)
Silvana Bacci
Robot (uncredited)
Antonietta Fiorito
Robot (uncredited)
Gianfranco Funari
US Army Official (uncredited)
Louis M. Heyward
American General (uncredited)
Mario Bava
Angel with Harp (uncredited)
