Jacques Tati
Monsieur Hulot
Jean-Pierre Zola
Monsieur Arpel
Adrienne Servantie
Madame Arpel
Lucien Frégis
Monsieur Pichard
Betty Schneider
Betty, Landlord's Daughter
Jean-François Martial
Walter
Yvonne Arnaud
Georgette, the Housekeeper
Adelaide Danieli
Madame Pichard
Alain Bécourt
Gérald Arpel
Régis Fontenay
Braces Dealer
Nicolas Bataille
Working Man
Pierre Étaix
Delivery man / Telegraph operator (uncredited)
Jean-Claude Rémoleux
Client in Monsieur Arpel's Factory (uncredited)
Denise Péronne
Mademoiselle Fevrier (uncredited)
Nicole Regnault
Short-sighted motorist (uncredited)
Édouard Francomme
House Painter (uncredited)
André Dino
Sweeper (uncredited)