An American narcotics agent is murdered in Italy. The head of the department decides to hire Larry Stanziani, 'The Cobra'. Larry, a former agent and now a third-rate private detective, uses the opportunity to get even with an old enemy, but soon he finds out he's facing a relentless organization
| Writing | Aldo Lado | Screenplay |
| Directing | Enzo G. Castellari | Director |
| Writing | Aldo Lado | Story |
| Writing | Tito Carpi | Screenplay |
| Writing | Fabio Carpi | Screenplay |
| Sound | Paolo Vasile | Original Music Composer |
| Editing | Gianfranco Amicucci | Editor |
| Costume & Make-Up | Giovanni Morosi | Makeup Artist |
| Editing | Stefania Falsetti | Assistant Editor |
| Camera | Giovanni Bergamini | Director of Photography |
| Crew | Rocco Lerro | Stunt Coordinator |
| Crew | Angelo Ragusa | Stunts |
| Editing | Roberto Amicucci | Assistant Editor |
| Production | Turi Vasile | Producer |
| Crew | Claudio Pacifico | Stunts |
| Production | Paolo Vasile | Production Manager |
| Costume & Make-Up | Carlo Carunchio | Costume Designer |
| Crew | Dino Galiano | Special Effects |
| Art | Stefano Maria Ortolani | Production Design |
| Production | Fabrizio De Angelis | Executive Producer |
