Character Name : Stephen 'Steve' Locke

Original Name : Leslie Howard

Gender : Male

Character Name : Elena Moura

Original Name : Kay Francis

Gender : Female

Character Name : Bob Medill

Original Name : William Gargan

Gender : Male

Character Name : Gaston LeFarge

Original Name : Phillip Reed

Gender : Male

Character Name : Sergei Pavlov

Original Name : Irving Pichel

Gender : Male

Character Name : 'Poohbah' Evans

Original Name : Ivan F. Simpson

Gender : Male

Character Name : Sir Walter Carrister

Original Name : Halliwell Hobbes

Gender : Male

Character Name : Commissioner of War Trotsky

Original Name : J. Carrol Naish

Gender : Male

Character Name : Under Secretary Stanley

Original Name : Walter Byron

Gender : Male

Character Name : Tito Del Val

Original Name : Cesar Romero

Gender : Male

Character Name : Mr. Henry Farmer

Original Name : Arthur Aylesworth

Gender : Male

Character Name : Paul DeVigney

Original Name : Alphonse Ethier

Gender : Male

Character Name : Mr. X

Original Name : Frank Reicher

Gender : Male

Character Name : Lenin

Original Name : Tenen Holtz

Gender : Male

Character Name : Lady Carrister

Original Name : Doris Lloyd

Gender : Female

Character Name : Lady Catherine Trehearne

Original Name : Mary Forbes

Gender : Female

Character Name : Maria Nikolaievna (as Marina Schubert)

Original Name : Marina Koshetz

Gender : Female

Character Name : Lloyd George (as George Pearce)

Original Name : George C. Pearce

Gender : Male

Character Name : Mr. Kolinoff

Original Name : Gregory Gaye

Gender : Male

Character Name : Count Romano

Original Name : Paul Porcasi

Gender : Male

Character Name : Russian Policeman (uncredited)

Original Name : Glen Cavender

Gender : Male

Character Name : Woman Saying 'Lenin will Live' (uncredited)

Original Name : Claire McDowell

Gender : Female