Dr. Goldfoot / General Willis
Vincent Price
Bill Dexter
Fabian
Hardjob - Dr. Goldfoot's Assistant (uncredited)
Moa Tahi
Fong (uncredited)
George Wang
Goldfoot Henchman (uncredited)
Ennio Antonelli
Amerigo Santarelli
Bald Goldfoot Henchman (uncredited)
Veriano Ginesi
Robot (uncredited)
Silvana Bacci
Antonietta Fiorito
US Army Official (uncredited)
Gianfranco Funari
American General (uncredited)
Louis M. Heyward
Angel with Harp (uncredited)
Mario Bava
Franco
Franco Franchi
Ciccio
Ciccio Ingrassia
Colonel Doug Benson
Francesco Mulè
Rosanna
Laura Antonelli
Craig Gamble (uncredited) (archive footage)
Frankie Avalon
Diane (uncredited) (archive footage)
Susan Hart
Todd Armstrong (uncredited) (archive footage)
Dwayne Hickman
Motorist Who Hits Diane (uncredited) (archive footage)
Aron Kincaid
Director
Producer
Fulvio Lucisano
Original Music Composer
Les Baxter
Editor
Ronald Sinclair
Executive Producer
Samuel Z. Arkoff
Director of Photography
Antonio Rinaldi
Production Manager
Antonio Raffa
Story
James H. Nicholson
Screenplay
Robert Kaufman
Art Direction
Gastone Carsetti
Script Supervisor
Rosalba Scavia
Camera Operator
Saverio Diamante
Assistant Camera
Giorgio Aureli
Second Assistant Camera
Salvatore Caruso