Neil Connery
Dr. Neil Connery
Acting
Daniela Bianchi
Maya Rafis
Acting
Adolfo Celi
Mr. Thai - 'Beta'
Acting
Agata Flori
Mildred
Acting
Bernard Lee
Commander Cunningham
Acting
Anthony Dawson
Alpha
Acting
Lois Maxwell
Miss Maxwell
Acting
Yee-Wah Yang
Yachuko (as Yachuco Yama)
Acting
Franco Giacobini
Juan
Acting
Ana María Noé
Lotte Krayendorf
Acting
Guido Lollobrigida
Kurt
Acting
Francesco Tensi
Auctioneer
Acting
Margherita Horowitz
(creditOnly)
Acting
Enzo Consoli
Sitting Man at Lecture (as Vincenzo Consoli)
Acting
Mirella Pamphili
(as Mirella Pompili)
Acting
Nando Angelini
Ward Jones
Acting
Lanfranco Ceccarelli
Assassin (as Franco Ceccarelli)
Production
Aldo Cecconi
Wilson
Acting
Antonio Gradoli
Monte Carlo inspector
Acting
Fajda Nicol
Henchwoman (as Faida Nicol)
Acting
Caterina Trentini
(as Kathleen Trentini)
Acting
Leonardo Scavino
Ben AHmed (as Leo Scavino)
Acting
Kitty Swan
Co-agent on ship (uncredited)
Acting