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