A low rank journalist at Tribuna Sera newspaper receives a letter one day. His correspondence contains a serial killer's letters, which he exploits.
Is The Fiend on Netflix? Unfortunately the movie The Fiend is not yet available on Netflix.
| Directing | Luigi Zampa | Director |
| Camera | Mario Vulpiani | Director of Photography |
| Writing | Sergio Donati | Story |
| Art | Vincenzo De Camillis | Assistant Production Design |
| Sound | Gaetano Testa | Sound |
| Costume & Make-Up | Tiziana Mancini | Assistant Costume Designer |
| Directing | Marion Mertes | Script Supervisor |
| Costume & Make-Up | Luciano Vito | Hairstylist |
| Sound | Luciano Anzellotti | Foley Artist |
| Production | Lamberto Palmieri | Unit Manager |
| Production | Walter Massi | Administration |
| Camera | Maurizio Maggi | Camera Operator |
| Camera | Mario Bagnato | Assistant Camera |
| Production | Franco Coduti | Unit Manager |
| Lighting | Romano Mancini | Gaffer |
| Directing | Stefano Rolla | First Assistant Director |
| Production | Maurizio Mancini | Production Secretary |
| Writing | Sergio Donati | Screenplay |
| Editing | Sergio Fraticelli | Assistant Editor |
| Sound | Ennio Morricone | Original Music Composer |
| Production | Giuseppe Giovannini | Associate Producer |
| Costume & Make-Up | Pierantonio Mecacci | Makeup Artist |
| Sound | Gianni D'Amico | Sound Mixer |
| Camera | Augusto Diamanti | Key Grip |
| Camera | Roberto Biciocchi | Still Photographer |
| Art | Enrico Fiorentini | Set Decoration |
| Production | Ugo Tucci | Producer |
| Editing | Aristide Brescini | Assistant Editor |
| Costume & Make-Up | Franco Carretti | Costume Design |
| Production | Claudio Mancini | Producer |
| Art | Dante Ferretti | Production Design |
| Editing | Franco Fraticelli | Editor |