Muriel Bayen, a divorced beautician and mother of two, loves to tell stories. She is a huge fan of this singer Vincent Lacroix, in fact she is a dedicated fan. One day Vincent knock on her door and ask for her help.
Unfortunately the movie Number One Fan is not yet available on HBO Max.
| Production | Laurent Couraud | Casting |
| Sound | Antoine Deflandre | Sound |
| Production | Hugo Sélignac | Producer |
| Costume & Make-Up | Stéphanie Selva | Key Makeup Artist |
| Writing | Gaëlle Macé | Script Consultant |
| Production | Alain Attal | Producer |
| Sound | Pascal Sangla | Music |
| Directing | Jeanne Herry | Director |
| Writing | Jeanne Herry | Writer |
| Production | Sophie Tepper | Producer |
| Costume & Make-Up | Emmanuelle Youchnovski | Costume Design |
| Editing | Francis Vesin | Editor |
| Camera | Axel Cosnefroy | Director of Photography |
| Art | Johann George | Production Design |
