Louis de Funès
Charles Duchemin
Ann Zacharias
Marguerite #2, interim secretary
Julien Guiomar
Jacques Tricatel
Claude Gensac
Marguerite #1, Duchemin's secretary
Georges Chamarat
Dean of Academics
Fernand Guiot
Dubreuil, Duchemin employee
Antoine Marin
Duchemin employee
Raymond Bussières
Henri, Duchemin's driver
Philippe Bouvard
Philippe Bouvard, moderator of the debate
Marcel Dalio
Duchemin's tailor
Vittorio Caprioli
Vittorio, owner of a restaurant
Daniel Langlet
Lambert, Tricatel's assistant
Martin Lamotte
Roland, director of a circus
Robert Lombard
Patron of the 'Coquille d'Or'
Pierre Forget
Patron of the 'Auberge de la Truite'
Eduardo Bergara Leumann
Cook of the 'Auberge de la Truite'
Gérard Lorin
Duchemin's dentist
Albert Michel
Mr. Morand, Duchemin employee
Max Montavon
Mr. Godefroy
Pierre Decazes
Owner of the hotel
Mac Ronay
Sommelier stuffed with tics
Dominique Davray
Muscular nurse
Maurice Vallier
Duchemin employee
Jean Amadou
Narrator (voice) (uncredited)
Marie-Anne Chazel
Gérard's friend (uncredited)
François Guillaume
Reporter (uncredited)
Gérard Lanvin
Member of the circus (uncredited)
Jacques Mathou
(uncredited)
Georges Nojaroff
Waiter (uncredited)
Claude Zidi
Head waiter of the 'Coquille d'Or' (uncredited)