In het Terzi Instituut voor genetisch onderzoek wordt ingebroken en de bewaker neergeslagen, maar niemand kan ontdekken of er iets gestolen is. Eén medewerker weet echter meer, maar is al gauw zijn leven niet meer zeker. De blinde Franco Arno (Karl Malden), die met het weesmeisje Lori tegenover het instituut woont, meent al eerder een verdacht gesprek te hebben opgevangen en meldt zich bij de sluwe reporter Giordani (James Franciscus) wanneer hij verneemt dat een medewerker voor de trein is gesprongen en daar een foto van is gemaakt...
Nee, helaas is Il gatto a nove code nog niet beschikbaar op Netflix in Nederland.
| Writing | Dario Argento | Story |
| Directing | Dario Argento | Director |
| Writing | Dario Argento | Screenplay |
| Writing | Dardano Sacchetti | Story |
| Production | Salvatore Argento | Producer |
| Camera | Erico Menczer | Director of Photography |
| Sound | Ennio Morricone | Original Music Composer |
| Lighting | Roberto Bertozzi | Electrician |
| Costume & Make-Up | Maura Turchi | Hairstylist |
| Sound | Massimo Anzellotti | Sound Effects Editor |
| Production | Angelo Iacono | Production Manager |
| Costume & Make-Up | Carlo Leva | Costume Design |
| Camera | Maurizio La Monica | Second Assistant Camera |
| Writing | Luigi Cozzi | Story |
| Costume & Make-Up | Vincenzo Marchetti | Assistant Makeup Artist |
| Art | Romeo Costantini | Assistant Set Decoration |
| Art | Franco Pedacchia | Assistant Production Design |
| Sound | Romano Pampaloni | Sound Recordist |
| Art | Carlo Leva | Production Design |
| Lighting | Rodolfo Flibotti | Gaffer |
| Camera | Giuseppe Gabrielli | Grip |
| Costume & Make-Up | Luca Sabatelli | Costume Design |
| Costume & Make-Up | Pierantonio Mecacci | Makeup Artist |
| Writing | Bryan Edgar Wallace | Screenplay |
| Camera | Roberto Brega | Camera Operator |
| Camera | Arturo de Castelterlango | First Assistant Camera |
| Art | Lamberto Verdenelli | Property Master |
| Directing | Roberto Pariante | Assistant Director |
| Sound | Eugenio Fiori | Boom Operator |
| Costume & Make-Up | Giuseppe Ferranti | Makeup Artist |
| Sound | Mario Ronchetti | Sound |
| Camera | Firmino Palmieri | Still Photographer |
| Camera | Renato Mascagno | First Assistant Camera |
| Camera | Ettore Migalizzi | Grip |
| Sound | Bruno Nicolai | Conductor |
| Production | Roberta Leoni | Production Secretary |
| Camera | Maurizio Migalizzi | Key Grip |
| Editing | Cesarina Casini | First Assistant Editor |
| Art | Luciano Vittori | Title Designer |
| Editing | Sergio Fraticelli | Assistant Editor |
| Camera | Giovanni Migalizzi | Grip |
| Production | Carlo Du Bois | Administration |
| Lighting | Alberico Loreti | Best Boy Electric |
| Lighting | Francesco Rachini | Electrician |
| Lighting | Carlo Vinciguerra | Electrician |
| Sound | Luciano Anzellotti | Sound Effects |
| Editing | Franco Fraticelli | Editor |
| Production | Giuseppe Mangogna | Production Manager |
| Visual Effects | Luciano Vittori | Visual Effects |
| Production | Carlo Du Bois | Production Accountant |
