| CAST | CONNECTIONS | |
|---|---|---|
| Neil Connery | Dr. Neil Connery | |
| Daniela Bianchi | Maya Rafis | |
| Adolfo Celi | Mr. Thai - 'Beta' | » [1013] DANGER: DIABOLIK |
| Agata Flori | Mildred | |
| Bernard Lee | Commander Cunningham | |
| Anthony Dawson | Alpha | |
| Lois Maxwell | Miss Maxwell | » [K01] INVADERS FROM THE DEEP |
| Yachuco Yama | Miss Yashuko | |
| Franco Giacobini | Juan | |
| Ana María Noé | Lotte Krayendorf | |
| Guido Lollobrigida | Kurt | » [903] PUMA MAN |
| Francesco Tensi | Auctioneer | |
| Margherita Horowitz | (as Margareth Horowitz / scenes... | |
| Enzo Consoli | Sitting Man at Lecture (as Vincenzo... | |
| Mirella Pamphili | (as Mirella Pompili) | |
| Nando Angelini | Ward Jones | |
| Pietro Ceccarelli | (no title) | |
| Aldo Cecconi | Wilson | |
| Antonio Gradoli | Monte Carlo inspector | |
| Fajda Nicol | Henchwoman (as Faida Nicol) | |
| Caterina Trentini | (as Kathleen Trentini) | |
| Leonardo Scavino | Ben AHmed (as Leo Scavino) | |
| Mario Soria | Gamma (uncredited) | |
| Kitty Swan | Co-agent on ship (uncredited) | |
| Pietro Torrisi | (no title) | |
| Lanfranco Ceccarelli | Assassin (as Franco Ceccarelli) | |
| Daliah Lavi | (no title) | |