cast
- Romy Schneider
- Katia
- Curd Jürgens
- Alexander II of Russia
- Pierre Blanchar
- Koubaroff
- Monique Melinand
- Czarina Maria
- Françoise Brion
- Sophie
- Michel Bouquet
- Bibesco
- Alain Saury
- Revolutionary
- Antoine Balpêtré
- Kilbatchich
crew
- Robert Siodmak
- Director
- Michel Safra
- Producer
- Charles Spaak
- Screenwriter
- Georges Neveux
- Screenwriter
- Princess Bibesco
- Book Author
- Michel Kelber
- Cinematographer
- Joseph Kosma
- Composer (Music Score)
- Henri Taverna
- Editor
- Louisette Hautecoeur
- Editor
- Jean D'Eaubonne
- Art Director
