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.
| Sound | René Longuet | Sound Designer |
| Costume & Make-Up | Janine Jarreau | Makeup Artist |
| Editing | Louisette Hautecœur | Editor |
| Art | Robert Clavel | Set Decoration |
| Writing | Luis Buñuel | Screenplay |
| Production | Raymond Hakim | Producer |
| Art | Robert Clavel | Production Design |
| Writing | Joseph Kessel | Author |
| Production | Henri Baum | Producer |
| Directing | Luis Buñuel | Director |
| Writing | Jean-Claude Carrière | Screenplay |
| Production | Marc Goldstaub | Production Manager |
| Production | Robert Hakim | Producer |
| Costume & Make-Up | Yves Saint Laurent | Costume Design |
| Camera | Sacha Vierny | Director of Photography |
| Sound | Pierre Davoust | Sound Designer |
| Visual Effects | Simone Knapp | Creature Design |
| 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 |
| Art | Marc Desages | Assistant Art Director |
| Directing | Pierre Lary | Assistant Director |
