George Ardisson as Walter Ross, Agent 3S3

Bruna Simionato as Jasmine von Witheim

Georges Rivière as Professor Steve Dickson

Seyna Seyn as Jacky Vein

Franco Andrei as Paul Bellamy

Liliane Fernani as Karina

José Marco as Ahmed

Calisto Calisti as Salkoff

Francisco Sanz as Nobel

Henri Cogan as Sanz

Fernando Sancho as Colonel Dolukin

Tom Felleghy as Major Taylor

Antonio Gradoli as Captain Moran

Ugo Sasso as Bob

Jeff Cameron as

Dakar as Gutiérrez

Leontine May as Fawzia

Béatrice Altariba as Elisa von Sloot

Federico Boido as Man in Venice bar

Pietro Torrisi as Man in Venice bar

Sal Borgese as Man in Vienna bar