Leonora Ruffo
Kaena
Acting
Mario Novelli
Ingegner Paolo Bardi
Acting
Roland Lesaffre
Prof. Solmi
Acting
Kirk Morris
Belsy
Acting
Gordon Mitchell
Murdu
Acting
Alfio Caltabiano
Artie
Acting
Leontine May
Luisa Solmi
Acting
Nando Angelini
Ingegner Morelli
Acting
Giovanni De Angelis
Giulio
Acting
Mirella Pamphili
(credit only)
Acting
John Sun
Dr. Chang
Acting
Antonio Ho
Chinese Secret Agent
Acting
John Chen
Chinese Secret Agent
Acting
Pietro Francisci
Himself (uncredited)
Directing
Renato Montalbano
The Doctor at the casualty department (uncredited)
Acting
Gianni Solaro
The Director of the Research Institute (uncredited)
Acting