Two bumbling actors get wrapped up in a scheme to murder a rich man's wife.
Unfortunately the movie Psycosissimo is not yet available on HBO Max.
| Directing | Steno | Director |
| Production | Vittorio Martino | Producer |
| Production | Leo Cevenini | Producer |
| Camera | Tino Santoni | Director of Photography |
| Editing | Giuliana Attenni | Editor |
| Writing | Vittorio Metz | Story |
| Writing | Vittorio Metz | Screenplay |
| Writing | Roberto Gianviti | Story |
| Writing | Roberto Gianviti | Screenplay |
| Writing | Steno | Story |
| Writing | Steno | Screenplay |
| Art | Ivo Battelli | Production Design |
| Production | Manlio Dalla Pria | Unit Manager |
| Production | Saverio Scipioni | Production Assistant |
| Production | Romolo Germano | Production Secretary |
| Costume & Make-Up | Raul Ranieri | Makeup Artist |
| Camera | Enrico Cignitti | Camera Operator |
| Costume & Make-Up | Dina Di Bari | Costume Design |
| Art | Fulvio Barsotti | Set Decoration |
| Sound | Pietro Ortolani | Sound |
| Sound | Renato Cadueri | Sound |
| Directing | Mariano Laurenti | First Assistant Director |
| Editing | Marcella Bevilacqua | Assistant Editor |
| Sound | Carlo Rustichelli | Original Music Composer |
| Sound | Luigi Urbini | Conductor |
| Production | Folco Laudati | Production Manager |
