Credits
Cast
Romy Schneider
Katia
Curd Jürgens
Czar Alexander II
Pierre Blanchar
Koubaroff
Antoine Balpêtré
Kilbatchich
Françoise Brion
Sophie
Monique Mélinand
Tsarina Maria
Michel Bouquet
Bibesco
Bernard Dhéran
Stéphane Ryssakov
Margo Lion
Institut Supervisor
Jacqueline Marbaux
Mlle Trépeau
Yves Barsacq
Katourine
Alain Saury
Soloviev
Senta Berger
Court Lady
Hans Unterkircher
Paskievitch
Marcel d'Orval
Yves Gladine
Hubert Noël
Michel Dolgorouki
Gabrielle Dorziat
Liliane Chenevière
(uncredited)
Danièle Dali
(uncredited)
Germaine Delbat
(uncredited)
Françoise Deldick
(uncredited)
Helene Lauterböck
(uncredited)
Robert Le Béal
(uncredited)
Jacques Mancier
(uncredited)
Paul Mercey
(uncredited)
Pierre Moncorbier
(uncredited)
Sophie Poncin
(uncredited)
László Szabó
(uncredited)
Victor Tabournot
(uncredited)
Monique Tarbès
(uncredited)
Irène Tunc
(uncredited)
Egon von Jordan
(uncredited)
Art
Jean d'Eaubonne
Art Direction
Camera
Michel Kelber
Director of Photography
Costume & Make-Up
Rosine Delamare
Costume Design
Directing
Robert Siodmak
Director
Editing
Louisette Hautecœur
Editor
Henri Taverna
Editor
Production
Michel Safra
Producer
Sound
Joseph Kosma
Original Music Composer
Writing
Marthe Bibesco
Novel
Charles Spaak
Writer
Georges Neveux
Writer