Pierre en Séverine Serizy lijken een gelukkig echtpaar, maar Pierre is een druk bezette chirurg en onbewust is Séverine ontevreden. Zij geeft zich over aan vreemde dromen. Via via hoort ze dat een vriendin in een bordeel werkt. Na enige aarzelingen begint ook Severine als prostituee.
Nee, helaas is Belle de jour nog niet beschikbaar op Netflix in Nederland.
| Production | Henri Baum | Producer |
| Editing | Louisette Hautecœur | Editor |
| Costume & Make-Up | Janine Jarreau | Makeup Artist |
| Writing | Joseph Kessel | Author |
| Visual Effects | Simone Knapp | Creature Design |
| Writing | Luis Buñuel | Screenplay |
| Production | Raymond Hakim | Producer |
| Camera | Sacha Vierny | Director of Photography |
| Art | Robert Clavel | Production Design |
| Art | Robert Clavel | Set Decoration |
| Sound | René Longuet | Sound Designer |
| Production | Robert Hakim | Producer |
| Production | Marc Goldstaub | Production Manager |
| Directing | Luis Buñuel | Director |
| Writing | Jean-Claude Carrière | Screenplay |
| Costume & Make-Up | Yves Saint Laurent | Costume Design |
| Sound | Pierre Davoust | Sound Designer |
| Art | Marc Desages | Assistant Art Director |
| Directing | Pierre Lary | Assistant Director |
| Costume & Make-Up | Simone Knapp | Hairstylist |
| Camera | Philippe Brun | Camera Operator |
| Crew | Pierre Roudeix | Property Master |
| Camera | Raymond Voinquel | Still Photographer |
| Directing | Suzanne Durrenberger | Script Supervisor |
