Leslie Howard
Stephen 'Steve' Locke
Phillip Reed
Gaston LeFarge
Irving Pichel
Sergei Pavlov
Ivan F. Simpson
'Poohbah' Evans
Halliwell Hobbes
Sir Walter Carrister
J. Carrol Naish
Commissioner of War Trotsky
Walter Byron
Under Secretary Stanley
Arthur Aylesworth
Mr. Henry Farmer
Alphonse Ethier
Paul DeVigney
Doris Lloyd
Lady Carrister
Mary Forbes
Lady Catherine Trehearne
Marina Koshetz
Maria Nikolaievna (as Marina Schubert)
George C. Pearce
Lloyd George (as George Pearce)
Glen Cavender
Russian Policeman (uncredited)
Claire McDowell
Woman Saying 'Lenin will Live' (uncredited)
