After a series of misunderstandings and other unfortunate incidents, the honeymoon of two young couples ends sooner than planned. Back at their starting point, the ensuing conflict leads to one of the couples separating. Salvatore, who moves away, is hit in the street by a car and loses his memory: he has lost his memories of his friends and family - until he meets his wife Marisa, in which he falls in love again ...
Unfortunately the movie Poor Millionaires is not yet available on HBO Max.
| Writing | Dino Risi | Screenplay |
| Camera | Franco Delli Colli | Camera Operator |
| Costume & Make-Up | Anacleto Giustini | Makeup Artist |
| Art | Giorgio Giovannini | Set Decoration |
| Camera | G.B. Poletto | Still Photographer |
| Directing | Franco Montemurro | First Assistant Director |
| Writing | Massimo Franciosa | Story |
| Writing | Dino Risi | Story |
| Costume & Make-Up | Goffredo Rocchetti | Makeup Artist |
| Directing | Tina Marchetti Clerici | Script Supervisor |
| Production | Anna Maria Campanile | Production Secretary |
| Writing | Pasquale Festa Campanile | Story |
| Art | Piero Filippone | Production Design |
| Sound | Enzo Silvestri | Sound |
| Production | Aldo Pomilia | Production Manager |
| Sound | Armando Trovajoli | Original Music Composer |
| Directing | Dino Risi | Director |
| Writing | Pasquale Festa Campanile | Screenplay |
| Writing | Massimo Franciosa | Screenplay |
| Camera | Tonino Delli Colli | Director of Photography |
| Editing | Mario Serandrei | Editor |
| Production | Silvio Clementelli | Executive Producer |
| Production | Goffredo Lombardo | Producer |
| Costume & Make-Up | Adriana Berselli | Costume Designer |