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