Audrey Hepburn
Countess Marie Vetsera
Mel Ferrer
Crown Prince Rudolph
Raymond Massey
The Prime Minister
Basil Sydney
The Emperor Franz Joseph
Diana Wynyard
The Empress Elizabeth
Judith Evelyn
Countess Larische
Isobel Elsom
Baroness Vetsera
Nehemiah Persoff
Police Officer
Lorne Greene
Emperor's Aide
David Opatoshu
Police Officer
Ian Wolfe
Loschek
Monique van Vooren
Marinka
John McGovern
Szeps
David Atkinson
Philip of Coeburg
Nancy Marchand
Princess Stephanie
Michael Evans
Hoyos
Berry Kroeger
Headwaiter
Pippa Scott
Hanna Vetsera
Laurinda Barrett
Marie's Cousin
Iggie Wolfington
a Drummer
Francis Compton
Prater Waiter
Ann Dere
Nurse
Nat Norbet
Puppeteer