cast
- Omar Sharif
- Crown Prince Rudolf
- Catherine Deneuve
- Maria Vetsera
- James Mason
- Emperor Franz Josef
- Ava Gardner
- Empress Elizabeth
- James Robertson Justice
- Prince Of Wales
- Geneviève Page
- Countess Larisch
- Andréa Parisy
- Princess Stephanie
- Ivan Desny
- Count Josef Hoyos
- Fabienne Dali
- Mizzi Kaspar
- Alain Saury
- Baltazzi
- Anthony Stuart
- Head Gardener
- Bernard Lajarrige
- Loschek
- Charles Millot
- Count Taafe
- Howard Vernon
- Prince Montenuevo
- Irene von Meyendorf
- Countess Stockau
- Jacques Berthier
- Prince John Salvator
- Jacques Dorfmann
- Rioting Student
- Jean-Claude Bercq
- Duke Michael of Braganza
- Jean-Michel Rouziere
- Police Superintendent
- Maurice Teynac
- Mortiz Szeps
- Mony Dalmes
- Baroness Helen Vetsera
- Moustache
- Bratfisch
- Roger Lumont
- Inspector Losch
- Roger Pigaut
- Count Karolyi
- Veronique Vendell
- Lisi Stockau
crew
- Terence Young
- Director, Screenwriter
- Robert Dorfmann
- Producer
- Claude Anet
- Book Author
- Dennis Cannan
- Dialogue Writer
- Joseph Kessel
- Screenwriter
- Michael Arnold
- Book Author
- Henri Alékan
- Cinematographer
- Francis Lai
- Composer (Music Score)
- Monique Bonnot
- Editor
- Georges Wakhévitch
- Production Designer
- Maurice Colasson
- Art Director
- Tony Roman
- Art Director
- Marcel Hellman
- Executive Producer
- Marcel Escoffier
- Costume Designer
- Jacques Carrere
- Sound/Sound Designer
- Joseph DeBretagne
- Sound/Sound Designer

