Blaireau, a poacher, is imprisoned for an offense he didn't commit. An ambitious lawyer tries to exculpate and glorify him. But, once he's released, this major philosopher destroys in just a few hours the prestige painstakingly built by his liberator.

Bach
Blaireau

Alice Tissot
Mademoiselle de Hautperthuis

Charles Montel
Taupin

Renée Passeur
Mademoiselle de Charville

Georges Tréville
Baron de Hautperthuis

Jean-Louis Allibert
Maître Guilloche

Albert Broquin
Prison guard
Édouard Hardoux
Prison director
Georges Despaux
Brigadier
Achille Defrenne
President of the tribunal

Roger Gaillard
Gendarme

Émile Saint-Ober
Secretary
Marcel Lesieur
Pharmacist

Paul Franceschi
Journalist
J.P. Martin
Jules Flêchard