An American police detective's investigation into a series of murders leads him to drug smugglers in North Africa.
| Writing | Sandro Continenza | Writer |
| Directing | Riccardo Freda | Director |
| Camera | Gábor Pogány | Director of Photography |
| Sound | Lelio Luttazzi | Original Music Composer |
| Camera | Francisco Sempere | Director of Photography |
| Art | Gil Parrondo | Production Design |
| Art | José Algueró | Production Design |
| Production | Tonino Cervi | Producer |
| Writing | Paolo Spinola | Screenplay |
| Writing | Vittoriano Petrilli | Screenplay |
