Count Fernando, called Didino, a shy and sexually repressed man, lives under the oedipal authority of countess Mafalda, his bloodsucking and over-controlling mother, until their family hires a new young maid that changes his life.
Unfortunately the movie To My Dear Mother on Her Birthday is not yet available on HBO Max.
| Writing | Sergio Corbucci | Screenplay |
| Writing | Massimo Franciosa | Screenplay |
| Writing | Luciano Salce | Screenplay |
| Directing | Luciano Salce | Director |
| Art | Fiorenzo Senese | Production Design |
| Sound | Alexander Blonksteiner | Conductor |
| Costume & Make-Up | Fiorenzo Senese | Costume Design |
| Production | Francesco Vetrano | Production Secretary |
| Camera | Roberto Brega | Camera Operator |
| Camera | Francesco Bellomo | Still Photographer |
| Production | Pino Pennesi | Production Secretary |
| Costume & Make-Up | Gianfranco Mecacci | Makeup Artist |
| Production | Pietro Sassaroli | Production Secretary |
| Editing | Angela Bordi | Assistant Editor |
| Camera | Francesco Gagliardini | Assistant Camera |
| Writing | Luis García Berlanga | Novel |
| Editing | Amedeo Salfa | Editor |
| Production | Edilio Rusconi | Producer |
| Costume & Make-Up | Paolo Franceschi | Hairstylist |
| Editing | Annamaria Roca | Assistant Editor |
| Costume & Make-Up | Giuliana Serano | Assistant Costume Designer |
| Directing | Giorgio Gentili | First Assistant Director |
| Production | Rolando Pieri | Administration |
| Directing | Egle Guarino | Script Supervisor |
| Sound | Gianfranco Pacella | Boom Operator |
| Writing | Rafael Azcona | Novel |
| Production | Aldo U. Passalacqua | Line Producer |
| Camera | Luigi Bernardini | Assistant Camera |
| Sound | Mario Dallimonti | Sound |
| Art | Claudio Cinini | Assistant Production Design |
| Production | Attilio Viti | Unit Manager |
| Art | Nello Giorgetti | Assistant Set Decoration |
| Camera | Erico Menczer | Director of Photography |
| Sound | Franco Micalizzi | Original Music Composer |