A man, released after a jail term for a crime he did not commit, raises a gang to go after the man who framed him.
| Directing | Tonino Cervi | Director |
| Writing | Dario Argento | Writer |
| Writing | Tonino Cervi | Story Editor |
| Production | Tonino Cervi | Producer |
| Sound | Angelo Francesco Lavagnino | Music |
| Editing | Sergio Montanari | Editor |
| Art | Carlo Gervasi | Production Design |
| Costume & Make-Up | Giorgio Desideri | Costume Design |
| Costume & Make-Up | Rossano Caporicci | Makeup Artist |
| Production | Franco Cuccu | Production Manager |
| Production | Lucio Trentini | Production Manager |
| Directing | Mauro Sacripanti | Assistant Director |
| Sound | Vittorio De Sisti | Sound |
| Sound | Salvatore Melaranci | Boom Operator |
| Camera | Salvatore Caruso | Assistant Camera |
| Camera | Giuseppe Gatti | Camera Operator |
| Camera | Remo Grisanti | Camera Operator |
| Editing | Roberto Gianandrea | Assistant Editor |
| Editing | Marcello Olasio | Assistant Editor |
| Sound | Angelo Francesco Lavagnino | Conductor |
| Camera | Sergio D'Offizi | Director of Photography |