ორმხრივი

Klaus Kinski John Alexander

Christiane Krüger Christine

Günther Stoll Inspektor Steevens

Annabella Incontrera Liz

Margaret Lee Helen Alexander

Sydney Chaplin Mr.Brown

Barbara Nelli Alice

Ignazio Dolce

Carlo Marcolino Servant

Gastone Pescucci Peter

Luciano Spadoni Inspector Gordon

Claudio Trionfi

Bedy Moratti (uncredited)

Fulvio Pellegrino Policeman (uncredited)

Domenico Ravenna Spectator at horse race (uncredited)

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