Jean Gabin
The banker René Duchêne, alias Georges Baudin known as “Monsieur”
Philippe Noiret
Edmond Bernadac, industrialist
Mireille Darc
Suzanne, former maid of "Monsieur"
Liselotte Pulver
Mrs. Elisabeth Bernadac
Gaby Morlay
Mrs. Bernadac, Edmond's mother
Gabrielle Dorziat
“Monsieur”’s mother-in-law
Henri Crémieux
“Monsieur”’s father-in-law
Andrex
Antoine, small-time crook
Jean-Pierre Darras
José, small-time crook
Jean Lefebvre
Private detective