 | Roger Browne als Sir Reginald Hoover / Argoman |
 | Dominique Boschero als Regina Sullivan / Jenabell |
 | Eduardo Fajardo als Chandra, Butler |
 | Nadia Marlowa als Samantha |
 | Nino Dal Fabbro als Inspector Lawrence |
 | Edoardo Toniolo als Inspector Martini |
 | Andrea Bosic als Admiral Durand |
 | Tom Felleghy als General Headwood |
 | Frank Richardson als The Minister |
| Lawrence Mills |
| Dario De Grassi als Lawrence's Assistant |
 | Mimmo Palmara als Kurt, Main Henchman of Jenabel |
 | Fulvio Mingozzi als Guest at the Party |
 | Alberto Plebani |
| Ferruccio Viotti als General |
 | Anna Manduchi als General Headwood's Wife |
| Sergio Grieco | Director |
| Vincenzo Mannino | Writer |
| Dino Verde | Writer |
| Lewis E. Ciannelli | Dialogue |
| John Davis Hart | Dialogue |
| Edmondo Amati | Producer |
| Piero Umiliani | Original Music Composer |
| Tino Santoni | Director of Photography |
| Renato Cinquini | Editor |
| Alberto Boccianti | Art Direction |
| Claudio Cinini | Set Decoration |
| Gaia Romanini | Costume Design |
| Mario Mariani | Production Manager |
| Mauro Gavazzi | Makeup Artist |
| Maria Miccinilli | Hairstylist |
| Giorgio Susini | Production Supervisor |
| Giulio Pannaccio | Assistant Director |
| Romano Pampaloni | Sound Recordist |
| Armando Tarzia | Sound Recordist |
| Enzo Musumeci Greco | Stunts |
| Laura Caccianti | Assistant Editor |
