Cast

Soledad Miranda
Mrs. Johnson

Fred Williams
Dr. Johnson

Paul Müller
Dr. Franklin Houston

Ewa Strömberg
Dr. Crawford

Howard Vernon
Prof. Jonathan Walker

Jesús Franco
Dr. Donen

Horst Tappert
Inspector

Beni Cardoso
Mrs. Donen

Germán Robles
Policeman
Rudolf Hertzog
Member of Medical Congress
Karl Heinz Mannchen
Member of Medical Congress
Crew

Jesús Franco
Director
(Directing)

Jesús Franco
Writer
(Writing)
Manuel Merino
Director of Photography
(Camera)

Artur Brauner
Producer
(Production)
Arturo Marcos
Producer
(Production)
Karl Heinz Mannchen
Executive Producer
(Production)
Manfred Hübler
Original Music Composer
(Sound)
Sigi Schwab
Original Music Composer
(Sound)

Bruno Nicolai
Original Music Composer
(Sound)
Clarissa Ambach
Editor
(Editing)