Gwen is a young girl adopted by a nomad tribe in a desert post-apocalyptic world. When Gwen's friend is kidnapped, she and an old woman called Roseline embark on a trip to bring him back.
Unfortunately the movie Gwen, or the Book of Sand is not yet available on HBO Max.
| Directing | Jean-François Laguionie | Director |
| Writing | Jean-François Laguionie | Writer |
| Editing | Hélène Arnal | Editor |
| Crew | Dominique Jugie | Sound Recordist |
| Sound | Jonathan Liebling | Foley |
| Visual Effects | Henri Heidsieck | Animation |
| Visual Effects | Claude Luyet | Animation |
| Visual Effects | Francine Léger | Animation |
| Visual Effects | Claude Rocher | Animation |
| Writing | Jean-Paul Gaspari | Writer |
| Art | Bernard Palacios | Decorator |
| Writing | Jean-François Laguionie | Screenplay |
| Visual Effects | Marc Quitte | Modeling |
| Crew | Richard Krondand-Martinet | Special Effects Coordinator |
| Visual Effects | Patrick Darlot | Opening/Ending Animation |
| Visual Effects | Nicole Dufour | Animation |
| Visual Effects | Nicole Dufour | Character Designer |
| Visual Effects | Marcel Zimmermann | Animation |
| Visual Effects | Françine Chassagnac | Animation |
| Visual Effects | Macou Camolli | Animation |
| Visual Effects | Marie-Christine Campana | Animation |
| Sound | Pierre Alrand | Original Music Composer |
| Sound | Paul Bertault | Sound Mixer |
| Sound | Serge Guillemin | Sound Engineer |
| Sound | Daniel Deshays | Sound Engineer |
| Sound | Henri Gruel | Sound Engineer |
| Writing | Jean-François Laguionie | Dialogue |
| Directing | Émile Bourget | First Assistant Director |
| Directing | Jacques Ruisseau | Assistant Director |
| Sound | Jess Gibergues | Sound Effects |
