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