Faut pas prendre les enfants du bon Dieu pour des canards sauvages

Bernard Blier

Charles aka 'Le Téméraire '

Marlène Jobert

Rita, Léontine's niece

Françoise Rosay

Léontine Palpicart aka 'La Gâteuse'

André Pousse

Fred aka 'L'élégant', fiancé of Rita

Mario David

Jacky

Robert Berri

An advisor of Charles

Michel Charrel

An advisor of Charles

Gérald Bruneau

'Le Viking'

Michel Jourdan

An advisor of Charles

Sylvain Lévignac

An advisor of Charles

Roger Mailles

A henchman of Charles

Raoul Saint-Yves

Raoul

Dominique Zardi

A killer of Charles

Paul Frankeur

Ruffin

Jean Saudray

A henchman of Charles

Robert Dalban

Casimir, Léontine's servant and driver

Claude Rollet

Tiburce

Jean Carmet

The superstitious security guard (uncredited)

Michel Audiard

The rapporteur at the Court of Auditors (uncredited)

Charles Bayard

The president of the Court of Cassation (uncredited)