Sacha Guitry as Le Professeur, Louis XV, Ludovic, Jean-Louis et Napoléon III

Lucien Baroux as Le Marquis de Chauvelin

Jean Périer as Choiseul

Roger Bourdin as Le Chanteur des Ambassadeurs

Robert Pizani as Richard Wagner, Jacques Offenbach et Olivier Métra

Jean Coquelin as L'Apothicaire

Émile Drain as Napoléon Premier

Jean Davy as Ludovic Jeune et Jean-Louis Jeune

René Fauchois as Marat

Jacqueline Delubac as Flora

Germaine Dermoz as Marie de Médicis

Josseline Gaël as La Jeune Suédoise et Léone Jeune

Jeanne Boitel as Madame de Pompadour

Jane Marken as La Mère de Louisette

Mila Parély as La Servante de Marat et la Fille de Marat

Lisette Lanvin as Louisette

Georges Morton as Lebon

Georges Lemaire as Le Pion

Sylvio De Pedrelli as Concini

Raymond Galle as Louis XIII

Jean Bradin as Albert de Luynes

Jacques Erwin as Louis XIV Jeune et le Duc de Montpensier

Pierre de Guingand as Vitry

Jeanne Provost as Madame du Hausset

Maurice Schutz as Louis XIV Âgé

Henri Bry as Le bonimenteur

Barbara Shaw as Une Siamoise

Gay Buisson as Une Soeur Siamoise

Geneviève Guitry as Une Biche

Louis Vonelly as Dubertret (as Vonelli)

Julien Rivière as Un Valet

Guy Sloux as Un Valet

Pierre Huchet as Un Valet

Irène Corday as Une Biche

Jane de Rosalba as Une Dame d'Honneur

Allain Dhurtal as Le Médecin du Roi

Léon Walther as Un Seigneur

Claude Lehmann as Un Seigneur

René Maupré as Un Seigneur

Roger Puylagarde as Un Seigneur

Jacques Roussel as Un Seigneur

Jean Buquet as Ludovic Enfant

Ariane Pathé as Madame du Barry

Anna Scott as Marie-Antoinette

Jean Hébey as Louis XVI

Gaston Dubosc as L'Abbé Maudoux

Jacques Berlioz as Le Duc de Bouillon

André Laurent as Jean-Jacques Rousseau

Paul Villé as Guignol

Pierre Mingand as Le Montreur de Marionnettes

Henry Houry as Un Orateur

Jean-Louis Allibert as Bonaparte

Madeleine Foujane as Impératrice Marie-Louise

Marie-Claire Pissaro as La Servante

Philippe Richard as Louis XVIII

Robert Seller as Charles X et un Client

André Marnay as Louis-Philippe

Georges Grey as Le Prince de Joinville

Andrée Berty as Une Servante

Marguerite de Morlaye as Marie-Amélie

Georges Dorival as L'Aubergiste

Violette Fleury as La Fille d'Auberge

Raymonde Allain as Impératrice Eugénie

Pierre Juvenet as Le Duc de Morny

Jeanne Helbling as Le Professeur

Jean Marais as L'Abbé-Précepteur

Georges Bever as L'Apothicaire (uncredited)

Jean-Marie Boyer as Un Élève (uncredited)

Lucien Brûlé as (uncredited)

Pauline Carton as (uncredited)

Marfa d'Hervilly as Une Tricoteuse (uncredited)

Janine Darcey as Une Biche (uncredited)

Mona Dol as Léone Âgée (uncredited)

Jean Dorane as Un Élève (uncredited)

Maurice Dorléac as Un Consommateur (uncredited)

Luce Fabiole as (uncredited)

Georges Fels as (uncredited)

Renée Gardès as Une Tricoteuse (uncredited)

Anthony Gildès as Le Sourd (uncredited)

Claire Gérard as La Dame au Café (uncredited)

Lyne Lassalle as (uncredited)

Albert Malbert as Un Policier (uncredited)

Clary Monthal as (uncredited)

Noëlle Norman as Une Biche (uncredited)

Jacqueline Pacaud as Une Biche (uncredited)

Madeleine Sologne as Unconfirmed (uncredited)

Pierre Would as (uncredited)

Sinoël as Un Ouvrier (uncredited)