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