Characters played by Klaus Kinski
John Alexander
Characters played by Christiane Krüger
Christine
Characters played by Günther Stoll
Inspector Stevens
Characters played by Annabella Incontrera
Liz
Characters played by Sydney Chaplin
Mr. Brown
Characters played by Barbara Nelli
Alice
Characters played by Margaret Lee
Helen Brown
Helen Alexander
Characters played by Gastone Pescucci
Peter
Characters played by Claudio Trionfi
[no data]
Characters played by Luciano Spadoni
Inspector Gordon
Characters played by Ignazio Dolce
(as Ignazio Dolci)
Characters played by Alice Arno
(hardcore inserts - French 1976 version)
Characters played by Carlo Marcolino
Servant
Characters played by Bedy Moratti
(uncredited)
Characters played by Fulvio Pellegrino
Policeman
Characters played by Alfred Vohrer
Edgar Wallace