A blind pianist tries to figure out who is responsible for a string of murders using a black cat with its claws dipped in curare.
| Directing | Sergio Pastore | Director |
| Writing | Sandro Continenza | Writer |
| Writing | Sergio Pastore | Writer |
| Writing | Giovanni Simonelli | Writer |
| Production | Edmondo Amati | Producer |
| Production | Maurizio Amati | Line Producer |
| Sound | Manuel De Sica | Music |
| Costume & Make-Up | Luciana Marinucci | Costume Design |
| Costume & Make-Up | Renzo Francioni | Makeup Artist |
| Camera | Guglielmo Mancori | Director of Photography |
| Editing | Vincenzo Tomassi | Editor |
