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

Jean-Pierre Darras

José, small-time crook

Jean Lefebvre

Private detective

Berthe Granval

Nathalie Bernadac, daughter of Edmond

Jean-Paul Moulinot

Maître Flamand, notary, friend of “Monsieur”

Peter Vogel

Michel Corbeiln, writer

Alain Bouvette

Marc, small-time crook

Marina Berti

Mrs. Danoni

Claudio Gora

Shipowner Danoni, guest of the Bernadacs

Jean Champion

Boss of Suzanne's hotel

Angela Minervini

Cafeteria waitress

Paul Faivre

Vicar

Marcel Pérès

Bernadacs' gardener (uncredited)