Katia

Danielle Darrieux

Catherine Dolgorousky, aka 'Katia'

John Loder

Tsar Alexandre II of Russia

Aimé Clariond

Count Schowaloff

Marie-Hélène Dasté

Tsarina Maria Alexandrovna

Jeanne Provost

Mademoiselle Trépeau

Marcel Carpentier

General Potapoff

Thérèse Dorny

Baroness

Marcelle Praince

Grand Duchess

Génia Vaury

Empress Eugénie

Raymond Aimos

Anatole, Parisian worker

Georges Prieur

Chamberlain

Jacques Erwin

Troubetzkoï

André Carnège

Grand Duke

Geller

Pierre Labry

Police sergeant

Georges Flateau

Emperor Napoléon III

Jacqueline Dhomont

Student at the boarding school

Anthony Gildès

Dignitary

Paul Marthès

Turkish ambassador

Jean Aymé

Robert Seller

Consumer

André Varennes

Ivanoff

Paul Demange

Consumer

Edouard Hemme

André Numès

Consumer

Georges Douking

Spy

Paul Escoffier

Doctor

Pierre de Ramey

Eddy Debray

Louis, terrorist

Marthe Mellot

Supervisor at the boarding school

Maurice Schutz

Ginette d'Yd

Lady-in-waiting

Ariane Pathé

Student at the boarding school

Marie-Claire

Student at the boarding school

Cicco

Germaine Michel

Sidonie

Marcel Simon

Prince Dolgorouky

Charlotte Lysès

Director of the boarding school