A group of bandits conspire to kidnap a scientist who can help them manufacture diamonds.Unbeknownst to them , the FBI is already on their case.
| Actor | Role |
|---|---|
 Eddie ConstantineLemmy Caution | Lemmy Caution |
 Maria FrauFernanda | Fernanda |
 Roger HaninIstria | Istria |
 René ClermontRomano | Romano |
 François PerrotTony Martinelli | Tony Martinelli |
 René-Jean ChauffardBlynn | Blynn |
 Furio MeniconiGiuseppe | Giuseppe |
| LLuisa RivelliZellara | Zellara |
 Nadine TallierAmanda | Amanda |
 Irène TuncLucia | Lucia |
| FFlorence LandonMarina | Marina |
 Yorick RoyanGeorgette Istria | Georgette Istria |
 René BlancardClifton | Clifton |
 Michel Etcheverry(uncredited) | (uncredited) |
 Marcel Loche(uncredited) | (uncredited) |
 Christian Lude(uncredited) | (uncredited) |
| EEnrico SpadaLe capitaine / Captain (uncredited) | Le capitaine / Captain (uncredited) |
| GGérard TamizeCarlo (uncredited) | Carlo (uncredited) |