Cast
- Guy Tréjan as Commissaire Lambert
- Fernand Berset as Abadie
- Claude Jade as Liliane
- Bernard Rousselet as Mareuil
- Marie-Christine Barrault as La sœur
- Claude Ruben as Leblanc
- Marion Loran as Mlle Moreau
- Madeleine Lebeau as Mlle Lambert
- Juliet Mills as Juliette Fressoles
- Bernard Frémaux as L'expert