Cast
Adolfo Celi
Mr. Thai - 'Beta'
Bernard Lee
Commander Cunningham
Anthony Dawson
Alpha
Guido Lollobrigida
Kurt
Enzo Consoli
Sitting Man at Lecture (as Vincenzo Consoli)
Aldo Cecconi
Wilson
Lois Maxwell
Miss Maxwell
Margherita Horowitz
(creditOnly)
Mirella Pamphili
(as Mirella Pompili)
Antonio Gradoli
Monte Carlo inspector
Caterina Trentini
(as Kathleen Trentini)
Daniela Bianchi
Maya Rafis
Agata Flori
Mildred
Franco Giacobini
Juan
Leonardo Scavino
Ben AHmed (as Leo Scavino)
Neil Connery
Dr. Neil Connery
Kitty Swan
Co-agent on ship (uncredited)