De film volgt de romantische escapades van kunstenares Isabelle in de Franse hoofdstad. Ze is een gescheiden, alleenstaande moeder van een dochter die ze amper ziet. Bovendien is ze ongelukkig en zoekt ze ware liefde die haar hele leven mee gaat.
Nee, helaas is Un beau soleil intérieur nog niet beschikbaar op Netflix in Nederland.
| Production | Emilien Bignon | Associate Producer |
| Production | Jacques-Henri Bronckart | Associate Producer |
| Production | Olivier Bronckart | Associate Producer |
| Production | Stéphane Batut | Casting |
| Costume & Make-Up | Turid Follvik | Makeup Artist |
| Costume & Make-Up | Céline Planchenault | Key Makeup Artist |
| Costume & Make-Up | Judy Shrewsbury | Costume Design |
| Production | Olivier Hélie | Production Manager |
| Crew | Clara Vincienne | Post Production Supervisor |
| Camera | Maéva Drecq | First Assistant Camera |
| Crew | Charles Lesur | Video Assist Operator |
| Camera | Jonathan Ly | Grip |
| Camera | Marion Peyrollaz | Second Assistant Camera |
| Camera | Christine Tamalet | Still Photographer |
| Camera | François Tille | Key Grip |
| Lighting | Richard Vidal | Electrician |
| Directing | Lola Berteloot | Second Assistant Director |
| Directing | Sonia Mandelbaum | Third Assistant Director |
| Directing | Joseph Rapp | First Assistant Director |
| Directing | Zoé Zurstrassen | Script Supervisor |
| Directing | Claire Denis | Director |
| Writing | Claire Denis | Screenplay |
| Writing | Roland Barthes | Book |
| Writing | Christine Angot | Screenplay |
| Sound | Stuart Staples | Original Music Composer |
| Camera | Agnès Godard | Director of Photography |
| Editing | Guy Lecorne | Editor |
| Art | Arnaud de Moléron | Production Design |
| Production | Christine de Jekel | Executive Producer |
| Production | Olivier Delbosc | Producer |
| Production | Philippe Logie | Associate Producer |
| Directing | Manuela Muller | Additional Third Assistant Director |
| Production | Christine de Jekel | Line Producer |
