"A vengeful widow seduces and murders the men and women responsible for her husband’s suicide."
Soledad Miranda
as Mrs. Johnson
Fred Williams
as Dr. Johnson
Paul Müller
as Dr. Franklin Houston
Ewa Strömberg
as Dr. Crawford
Howard Vernon
as Prof. Jonathan Walker
Jesús Franco
as Dr. Donen
Horst Tappert
as Inspector
Beni Cardoso
as Mrs. Donen
Germán Robles
as Policeman
Rudolf Hertzog
as Member of Medical Congress
Karl Heinz Mannchen
Director
Writer
Manuel Merino
Director of Photography
Artur Brauner
Producer
Arturo Marcos
Executive Producer
Manfred Hübler
Original Music Composer
Sigi Schwab
Bruno Nicolai
Clarissa Ambach
Editor
