Madame Clapain dies in dubious circumstances at the home of the Cadifon ladies, of which she was a tenant. A friendly inspector and Thérèse Cadifon each carry out their own investigation.

Raymond Rouleau
François Berthier

Line Noro
Madame Clapain

Michèle Alfa
Thérèse Cadifon
Cécile Didier
Mathilde Cadifon

Fernand Charpin
Doctor Joude

Pierre Larquey
Hurteaux
Raymonde Vernay
Pauline

Germaine Stainval
Aurélie
Michele Olivier
Florence

Colette Régis
A lady

Alexandre Rignault
Gamekeeper

Louis Seigner
Ancelin

Paul Faivre
Miron
Pierre Cueille
Billiard player

Gaston Mauger
Judge