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