Inspecteur Datti onderzoekt de moord op een vrouwelijke arts. Hij is daar nog mee bezig, wanneer er al een tweede moord wordt gepleegd: de vriendin van pianist Robert Dominici wordt ook dood aangetroffen. Dan wordt Datti via de telefoon door de moordenaar uitgedaagd.
Nee, helaas is Un delitto poco comune nog niet beschikbaar op Netflix in Nederland.
| Camera | Giorgio Di Battista | Director of Photography |
| Editing | Daniele Alabiso | Editor |
| Directing | Ruggero Deodato | Director |
| Writing | Gianfranco Clerici | Screenplay |
| Sound | Pino Donaggio | Original Music Composer |
| Writing | Gigliola Battaglini | Screenplay |
| Production | Pietro Innocenzi | Producer |
| Writing | Vincenzo Mannino | Screenplay |
| Writing | Gianfranco Clerici | Story |
| Writing | Vincenzo Mannino | Story |
| Sound | Natale Massara | Conductor |
| Production | Giuliano Piermarioli | Production Manager |
| Costume & Make-Up | Giovanna Deodato | Costume Design |
| Art | Paolo Innocenzi | Production Design |
| Production | Gianfranco Clerici | Associate Producer |
| Production | Vincenzo Mannino | Associate Producer |
| Directing | Roberto Tatti | Assistant Director |
| Camera | Gianni Maddaleni | Camera Operator |
| Camera | Fabrizio Lucci | Camera Operator |
| Directing | Susanna Pellegrini | Script Supervisor |
| Production | Fabrizio De Martino | Unit Manager |
| Production | Alberto Paluzzi | Production Assistant |
| Production | Maria Pia Mancini | Accountant |
| Sound | Tommaso Quattrini | Sound |
| Sound | Ettore Mancini | Boom Operator |
| Costume & Make-Up | Fabrizio Sforza | Makeup Artist |
| Costume & Make-Up | Franco Schioppa | Makeup Artist |
| Costume & Make-Up | Antonio Maltempo | Makeup Artist |
| Costume & Make-Up | Carla Indoni | Hairstylist |
| Art | Alessandro Laurenti | Assistant Production Design |
| Costume & Make-Up | Franca Viganò | Assistant Costume Designer |
| Camera | Martino Valente | Key Grip |
| Lighting | Gaetano Coniglio | Gaffer |
| Art | Antonio Murer | Props |
| Costume & Make-Up | Clary Mirolo | Seamstress |
| Editing | Rita Triunveri | Assistant Editor |
| Editing | Enrico Crescenzi | Assistant Editor |
| Crew | Dino Galiano | Special Effects |
| Sound | Renato Giannelli | Sound Mixer |
| Crew | Ottaviano Dell'Acqua | Stunts |
| Sound | Maurizio Guarini | Musician |
