
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
Pierre Larquey
Guide
Jean Brochard
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