There's something wrong with Sara's birthday.
Unfortunately the movie Happy Birthday is not yet available on HBO Max.
| Directing | Lorenzo Giovenga | Director |
| Sound | Achille Lauro | Music |
| Writing | Lorenzo Giovenga | Screenplay |
| Writing | Valentina Signorelli | Screenplay |
| Writing | Gualtiero Titta | Screenplay |
| Writing | Piero Brundo | Screenplay |
| Writing | Valentina Signorelli | Writer |
| Writing | Gualtiero Titta | Writer |
| Writing | Piero Brundo | Writer |
| Production | Manuela Cacciamani | Producer |
| Production | Gennaro Coppola | Producer |
| Crew | Daniele Trani | Cinematography |
| Editing | Diego Capitani | Editor |
| Costume & Make-Up | Andrea Sorrentino | Costume Design |
| Art | Samantha Giova | Set Designer |
| Sound | Gualtiero Titta | Music |
| Sound | Andrea Guzzo | Sound |
| Art | Terry Gilliam | Art Designer |