A drug deal goes bad and the heroin is stolen. One mob boss doesn't have his drugs and the other doesn't get his money. People are going to die until they discover who double-crossed them. Into this backdrop, Inspector Dario Mauri arrives from Milan to help clean-up Naples. His mission – find the drugs and stop the killing.
Unfortunately the movie A Man Called Magnum is not yet available on HBO Max.
| Directing | Michele Massimo Tarantini | Director |
| Writing | Dardano Sacchetti | Story |
| Writing | Dardano Sacchetti | Screenplay |
| Writing | Michele Massimo Tarantini | Screenplay |
| Production | Luciano Martino | Producer |
| Sound | Franco Campanino | Original Music Composer |
| Art | Franco Calabrese | Production Design |
| Costume & Make-Up | Silvio Laurenzi | Costume Design |
| Production | Franco Cuccu | Production Manager |
| Camera | Ezio Bellani | Camera Operator |
| Directing | Massimo Manasse | First Assistant Director |
| Directing | Mirella Malatesta | Script Supervisor |
| Sound | Bruno Zanoli | Sound |
| Costume & Make-Up | Maria Cristina Rocca | Makeup Artist |
| Production | Francesco Fantacci | Unit Manager |
| Production | Dario Armellini | Production Secretary |
| Sound | Guglielmo Smeraldi | Boom Operator |
| Camera | Francesco Narducci | Still Photographer |
| Costume & Make-Up | Marcello Longhi | Hairstylist |
| Editing | Patrizia Malvestito | Assistant Editor |
| Sound | Bruno Moreal | Sound Mixer |
| Crew | Roberto Alessandri | Stunt Driver |
| Camera | Sergio Rubini | Director of Photography |
| Editing | Alberto Moriani | Editor |
| Camera | Alessio Gelsini Torresi | First Assistant Camera |
