Eric Portman

Kuprin

John Gregson

Smith

Marius Goring

Laye-Parker

Martita Hunt

Madame Kuprin

Natasha Parry

Vera

Mervyn Johns

Holloway

John Phillips

Trifonov

Noel Johnson

Lowther

Heather Chasen

Isabel

Michael Barrington

Rowson

James Urquhart

McPherson

Wynford Vaughan-Thomas

Radio Commentator (voice)

Edward Burnham

Sir Geraint Lloyd

John Ruddock

Professor Ridley

Irene Sutcliffe

Miss Probert

Pauline Winter

Miss Lipscomb

Raymond Farrell

Journalist

Alexis Chesnakov

Leonidov

Ann Patrick

Nina

Alfred Hoffman

Hotel Clerk

John Bennett

Zagornetz

Dorothea Phillips

Madame Lebedev

Michael Ivan

Bakaleinikov

Gabriel Toyne

Lebedev

Julia Arnall

Annaliese Kern

Gregori Tcherniak

Gypsy Musician

Geoffrey Sisley

Gypsy Musician

Tutte Lemkow

Singer

Sara Luzita

Gypsy Dancer

John Rutland

Liftman

Kenneth J. Warren

Makarov