Richard Chamberlain

Pyotr Ilyich Tchaikovsky

Glenda Jackson

Antonina 'Nina' Milyukova

Max Adrian

Nicholas Rubinstein

Christopher Gable

Count Anton Chiluvsky

Kenneth Colley

Modeste Tchaikovsky

Andrew Faulds

Davidov

Bruce Robinson

Alexei Sofronov

Alexei Jawdokimov

Dmitri Shubelov

Imogen Claire

Lady in White (uncredited)