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