Cast
Yves Vincent
Felton
Stefania Careddu
Katia
John Karlsen
Photographer in Nightclub (uncredited)
Sydney Chaplin
Inspector Chandler
Gino Turini
Pietro Torrisi
Claudio Ruffini
Paolo Gozlino
Gordon Smash
Nazzareno Zamperla
Flash
Anthony Dawson
Dr. Evans
Harriet Medin
Dr. Evans' assistant
Tina Aumont
Dolly
Claudio Biava
John Bartha
Hotel Detective (uncredited)
Pietro Ceccarelli
Gang Member
Jess Hahn
Boris
Valentino Macchi
Bill Vanders
Newspaper Editor (uncredited)
Claudio Brook
Robert Foster
Andrea Bosic
Diplomat
Raymond Bussières
Train conductor
Guido Lollobrigida
Bruno Bertocci
Uomo in radazione (uncredited)
George Wang
Chang
Daniela Bianchi
Arabella
Jacques Herlin
Actor at recital
Aldo Cecconi
Goffredo Unger