Victor Lanoux as Horace Tumelat

Jacques Dutronc as Eric Plante

Jacqueline Maillan as Madame Fluck

Michel Galabru as Victor Réglisson

Dominique Lavanant as Ginette Alcazar

Andréa Ferréol as Georgette Réglisson

Jean-François Stévenin as Paul Pauley

Jean-Luc Bideau as Inspector Maurice Serruti

Emmanuelle Riva as Adélaïde Tumelat

Marion Peterson as Noëlle Réglisson

François Cavanna as Malgençon

Jacques Dufilho as Jean-Marie, the blackmailer

Jean Barney as Juan Carlo

Alain Fourès as Mireille

Henri Poirier as Jérôme Alcazar

Alexandre Rignault as Uncle Eusèbe

Dominique Zardi as Trade unionist

Romain Brémond as

Christian Chauvaud as Man in the Council of State

Gérard Hoffmann as Doctor

Syla de Rawsky as

Jean-Pierre Mocky as Narrator (voice) (uncredited)

Jean-Pierre Clami as Undertaker (uncredited)

Johan Corbeau as Pharmacist (uncredited)

Luc Delhumeau as Brigadier (uncredited)

Antoine Mayor as Organist (uncredited)

Jean-Claude Romer as Nurse (uncredited)