After finding a very precious and huge diamond, the famous geologist Hutton mysteriously disappears. The discovery of this jewel sparked a battle between the international underworld.
| Actor | Role |
|---|---|
 Gino TuriniMark | Mark |
 Alfredo RizzoMartin | Martin |
| DDavid AllenMartin | Martin |
 Eleonora VargasMargareth | Margareth |
| KKathia KellyKerima | Kerima |
 Robert KingKorval | Korval |
 Livio LorenzonAkim | Akim |
 DakarKhadir | Khadir |
| FFrancesca RoyAzuma | Azuma |
| DDom MoorHabub Hsiam | Habub Hsiam |
 María BadmajewAzuma | Azuma |
 Tullio AltamuraAgent, Opening Sequence | Agent, Opening Sequence |
| FFernando ArcangeliServant of Korban | Servant of Korban |
 Luigi BatzellaSivas, Police Inspector | Sivas, Police Inspector |
| AAldo BonamanoSeth Connor | Seth Connor |
 Anna OrsoRoberta | Roberta |
 Osiride PevarelloBearded brawler in bar | Bearded brawler in bar |
 Mimmo PoliInformer at Club | Informer at Club |