Tête blonde

Jules Berry

Frédéric Octave Pancrace Truche

Denise Grey

Isabelle Truche

Marcel André

Inspector Paulot

Pauline Carton

Madame Crépin, Claire's concierge

Jeanne Fusier-Gir

Mélanie, the maid

Marcelle Géniat

Claire's grandmother

René Génin

The gravedigger

Marcel Mouloudji

Bernard

Michèle Philippe

Claire Fontanier

Louis Seigner

Maître Canard

Jean Tissier

The inmate who shows how to fake madness

Henri Vilbert

Inspector Lambert

Claudine Céréda

Claudine

Raymond Cordy

Brigadier Chapuis

Charles Dechamps

The investigating judge

Jim Gérald

The doctor

Maximilienne

Madame Rabichou

Robert Pizani

Martin

Jean Témerson

Martin's valet

André Chanu

The Narrator (voice)