Marlene Dietrich as Countess Alexandra Vladinoff

Robert Donat as Ainsley J. Fothergill / Peter Ouronov

Irene Vanbrugh as Duchess of Zorin

Herbert Lomas as General Gregor Vladinoff

Austin Trevor as Col. Adraxine

Basil Gill as Axelstein

David Tree as Alexis Maronin

John Clements as Poushkoff

Frederick Culley as Stanfield

Laurence Hanray as Forrester

Dorice Fordred as The Maid

Franklin Kelsey as Tomsky

Laurence Baskcomb as Commissar

Hay Petrie as Station Master

Miles Malleson as Drunken Red Commissar

Allan Jeayes as White General

Lyn Harding as Bargee

Raymond Huntley as White Officer