Raymond Souplex
as Étienne Ledru, commissaire de police
Pierre-Louis
as Docteur Maurice Chauvin, ami d'Étienne
Jean-Paul Tribout
as Félix, le fils d'Étienne
Jacques Coster
as Mirepoix
Catherine Gay
as Anne-Marie Ledru, épouse d'Étienne
Michel Nastorg
as Simonet
Jeanne Aubert
as Mme Carcopino
Lyne Chardonnet
as Zozotte, la bonne
Michèle Dumontier
as Juliette, la fille d'Étienne
