While celebrating his birthday, police inspector Basquier recalls two of his most celebrated cases. The first involves duplicitous moneylender Olga. The second concerns the brutal broad daylight murder of innocent young Yvonne.
| Directing | Georges Lampin | Director |
| Writing | Jacques Rémy | Writer |
| Writing | Jacques Rémy | Adaptation |
| Writing | Denys de La Patellière | Adaptation |
| Writing | Alexandre Breffort | Dialogue |
| Directing | Denys de La Patellière | Assistant Director |
| Directing | Philippe Modave | Assistant Director |
| Camera | Jean Bourgoin | Director of Photography |
| Art | Paul Rodier | Assistant Director of Photography |
| Camera | Louis Stein | Camera Operator |
| Sound | Guy Calvet | Sound Engineer |
| Editing | Robert Isnardon | Editor |
| Editing | Monique Isnardon | Editor |
| Art | Paul-Louis Boutié | Decorator |
| Art | Henri Sonois | Assistant Decorator |
| Sound | Maurice Thiriet | Original Music Composer |
| Camera | Raymond Bègue | Still Photographer |
| Crew | Madeleine Longue | Script |
| Costume & Make-Up | Igor Keldich | Makeup Artist |
| Production | Roger Ribadeau-Dumas | Production Manager |
| Production | Roger de Broin | Production Director |