Pierre Brasseur

Character: Maître Pierre Renneville

Monique Mélinand

Character: Denise Lamarche

François Patrice

Character: Jacques

Sophie Leclair

Character: Gisèle

Henri Nassiet

Character: Doctor Marignan

Alfred Adam

Character: Georges Lamarche

Jacqueline Porel

Character: Lucienne Marignan

Odette Laure

Character: Madame Berthelin

Albert Duvaleix

Character: President

Marie-France

Character: Nicole

Michel Etcheverry

Character: General Counsel

Lucienne Le Marchand

Character: Madame Lamarche mother

Charles Bouillaud

Character: Substitute Barillier

Pauline Carton

Character: Mademoisellle Michel aka 'La Punaise'

Alice Tissot

Character: Madame Pitois aka 'La Pimbêche'

André Gabriello

Character: Berthelin

Marcelle Arnold

Character: Madame Fournier (uncredited)

Henri Coutet

Character: A man (uncredited)

Paul Demange

Character: A regular (uncredited)

Cécile Didier

Character: Hortense (uncredited)

Jean Lanier

Character: Professor (uncredited)

Bernard Musson

Character: A man (uncredited)

Roger Vincent

Character: Medical Examiner (uncredited)