导演 Bernard-Roland

Curator of the Mathematics Museum Lucien Baroux

Madame Ménard Suzy Prim

Dora Suzanne Dehelly

Renée Ménard Foun-Sen

Civil Status employee Jean Tissier

Crazy psychiatrist 皮埃尔·拉尔凯

Guide 让·布罗沙尔

Old man Jean Périer

Paul, young sportsman Jean Mercanton

Tramp René Génin

Madame widow Ménard Marguerite Deval

Friend of the Ménard widow Marcelle Monthil

Concierge Gabrielle Fontan

Young lady Ménard Maximilienne

Friend of the Ménard widow Julienne Paroli

Head waiter Charles Lemontier

Commissioner Louis Florencie

Coffee boy Georges Bever

President Jean Morel

Old man's doctor Jacques Meyran

Wizard Max Dalban

Colonial Édouard Delmont

Novelist Marguerite Moreno

Amédée Garbure Robert Le Vigan

Representative of the Ménard family (uncredited) Alfred Baillou

Nurse (uncredited) Marguerite de Morlaye

(uncredited) Maurice Devienne

Millionaire centenarian (uncredited) Charles Granval

Representative of the Ménard family (uncredited) Albert Malbert

(uncredited) Maurice Marceau

(uncredited) Albert Morys