Claude Rich

as Léon Blum

Dominique Labourier

as Thérèse Blum

Florence Vignon

as Annie

Yves Jacques

as Marcel Bouchard

Gilles Gaston-Dreyfus

as Paul Grunebaum

André Oumansky

as Alexandre Lambert-Ribot

Jean-Pierre Gos

as Jules Moch

Philippe Morier-Genoud

as André Gide

Christine Brücher

as Cécile Grunebaum

Bruno Abraham-Kremer

as André Brumel

Ronny Coutteure

as Léon Jouhaux

Jean-Marie Bernicat

as Albert Sarraut

Jacques Rosner

as Marcel Regnier

Pierre Banderet

as Marceau Pivert

Stefan Elbaum

as Activist at the election

Vincent Solignac

as Maurice Thorez

Jean-Yves Chatelais

as Daladier

Alain MacMoy

as Albert Lebrun