Marcello is engaged to Gina, the daughter of the boarding house where he lives, but he is undecided whether to marry her or not.
Unfortunately the movie The Inveterate Bachelor is not yet available on HBO Max.
| Directing | Giorgio Bianchi | Director |
| Production | Emo Bistolfi | Producer |
| Writing | Silvio Amadio | Story |
| Writing | Silvio Amadio | Screenplay |
| Writing | Antonio Amurri | Story |
| Writing | Antonio Amurri | Screenplay |
| Writing | Mario Guerra | Story |
| Writing | Mario Guerra | Screenplay |
| Writing | Carlo Romano | Story |
| Writing | Carlo Romano | Screenplay |
| Camera | Tino Santoni | Director of Photography |
| Camera | Manuel Berenguer | Director of Photography |
| Directing | Silvana Mangini Colizzi | First Assistant Director |
| Editing | Adriana Novelli | Editor |
| Camera | Enrico Cignitti | Camera Operator |
| Sound | Agostino Moretti | Sound |
| Costume & Make-Up | Emilio Trani | Makeup Artist |
| Editing | Marisa Letti | Assistant Editor |
| Production | Ignacio Gutiérrez | Production Manager |
| Production | Luigi Mannini | Production Manager |
| Art | Lamberto Giovagnoli | Production Design |
| Production | Miguel Herrero | Unit Manager |
| Production | Romano Federici | Production Secretary |
| Directing | Gonzalo Delgrás | Script Supervisor |
| Camera | Divo Cavicchioli | Still Photographer |
| Sound | Italo Greco | Original Music Composer |
