Onder andere met: George Ardisson (Walter Ross, Agent 3S3), Barbara Simon (Irmgard von Wittstein (as Barbara Simons)), Georges Rivière (Professor Steve Dickson (as George Riviere)), Seyna Seyn (Jackye Vein), Franco Andrei (Bellamy (as Frank Andrews)), Liliane Fernani (Karina (as Liliane Fernany)), José Marco (Ahmed (as Joshua Marcos)), Charles Kalinski (Salkoff (as Charles Kalinsky)), Francisco Sanz (Nobell (as Paco Sanz)), Henri Cogan (Sanz (as Henry Cogan)), Fernando Sancho (Colonel Dolukin), Tom Felleghy (Major Taylor), Antonio Gradoli (Captain Moran (as Anthony Gradwell)), Ugo Sasso (Bob (as Steve Gordon)), Salvatore Borghese (Man in Vienna Bar)