The banker René Duchêne, alias Georges Baudin known as “Monsieur”
Edmond Bernadac, industrialist
Suzanne, former maid of "Monsieur"
Mrs. Elisabeth Bernadac
Mrs. Bernadac, Edmond's mother
“Monsieur”’s mother-in-law
“Monsieur”’s father-in-law
Antoine, small-time crook
José, small-time crook
Private detective
Nathalie Bernadac, daughter of Edmond
Maître Flamand, notary, friend of “Monsieur”
Michel Corbeiln, writer
Alain Bernadac, son of Edmond
Justine, Bernadacs' cook
Marc, small-time crook
Mrs. Danoni
Shipowner Danoni, guest of the Bernadacs
"Monsieur's" manservant
Boss of the bistro
Boss of Suzanne's hotel
Locksmith of the safe
Cafeteria waitress
Unembarrassed customer in the
Tailor
Vicar
Doctor
Mr. Bretteville, guest of the Bernadacs
Decorator
Customer at the bistro (uncredited)
Consumer (uncredited)
Restaurant waitress (uncredited)
Bernadacs' gardener (uncredited)