Charles Barton
Horst Tappert
Inspector Ruppert Redford
Fred Williams
Scotland Yard Chef
Ángel Menéndez
Kronstel
Dan van Husen
Patakes
Andrea Montchal
Gonzales
Jesús Franco
Guillermo Méndez
Diana
Beni Cardoso
Guest in Restaurant (uncredited)
Karl Heinz Mannchen
Emilio Martínez Lázaro
Roger (uncredited)
Moisés Augusto Rocha
Celia
Barbara Rütting
Ferencz
Wolfgang Kieling
Dr. Bladmore
Siegfried Schürenberg
Helen Bennett
Elisa Montés
Linda
Eva Garden
Andy Pickwick
Luis Morris
Lizi
Mara Laso
McDowell
Rainer Basedow
Producer
Artur Brauner
Screenplay
Director
Music
Rolf Kühn
Director of Photography
Manuel Merino
Editor
Renate Engelmann
Production Design
Hans Jürgen Kiebach
Novel
Bryan Edgar Wallace
Executive Producer
Arturo Marcos
María Luisa Soriano
Set Decoration
Klaus Meyenberg
Production Manager
Rolf Meier
Sound
Max Galinsky
Assistant Director
Ruth Keller