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

Gabrielle Dorziat

“Monsieur”’s mother-in-law

Henri Crémieux

“Monsieur”’s father-in-law

Jean Lefebvre

Private detective

Peter Vogel

Michel Corbeiln, writer

Marina Berti

Mrs. Danoni

Claudio Gora

Shipowner Danoni, guest of the Bernadacs

Jean Champion

Boss of Suzanne's hotel