Lang Jeffries
— Johnny Curd
José Greci
— Lynn
Helga Liné
— Luana
George Rigaud
— Hoover
Andrea Scotti
— Maitre
Philippe Hersent
— Richard
Janine Reynaud
— Sheena
Umberto Raho
— Vasili
Jacques Stany
— Carl Monger
Pietro Ceccarelli
— Yang
Tomás Picó
— Ivan
Erika Blanc
Ignazio Leone
— Hoover's Agent
Max Turilli
— Oberst
Claudio Ruffini
— Thug
Giorgio Cerioni
— blonde Agent
Anna María Conte
— Secretary
Gianluigi Crescenzi
Alberigo Donadeo
— Asylum patient (uncredited)
Franco Pesce
— Old Man (uncredited)
Alessandro Tedeschi
— KGB officer (uncredited)