John Alexander

Klaus Kinski

Acting

Christine

Christiane Krüger

Acting

Inspektor Steevens

Günther Stoll

Acting

Liz

Annabella Incontrera

Acting

Helen Alexander

Margaret Lee

Acting

Mr.Brown

Sydney Chaplin

Acting

Alice

Barbara Nelli

Acting

Ignazio Dolce

Acting

Servant

Carlo Marcolino

Acting

Peter

Gastone Pescucci

Acting

Inspector Gordon

Luciano Spadoni

Art

Claudio Trionfi

Acting

(uncredited)

Bedy Moratti

Acting

Policeman (uncredited)

Fulvio Pellegrino

Acting

Spectator at horse race (uncredited)

Domenico Ravenna

Acting

Edgar Wallace (voice) (archive footage) (uncredited)

Alfred Vohrer

Directing

(hardcore inserts - French 1976 version)

Alice Arno

Acting