- Leslie Howard
- Stephen Locke
- Kay Francis
- Elena Moura
- William Gargan
- Bob Medill
- 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
- Stanley
- Cesar Romero
- Tito Del Val
- Arthur Aylesworth
- Henry Farmer
- Alphonse Ethier
- Paul DeVigney
- Frank Reicher
- Mr. X
- Tenen Holtz
- Lenin
- Doris Lloyd
- Lady Carrister
- Mary Forbes
- Lady Catherine Trehearne
- Marina Koshetz
- Maria Nikolaievna
- George C. Pearce
- Lloyd George
- Gregory Gaye
- Mr. Kolinoff
- Paul Porcasi
- Count Romano
- Donald Crisp
- Marshall O'Reilly
- Lew Harvey
- Suspect
- Frank Lackteen
- Suspect
- Walter Armitage
- Under Secretary Armitage
- Edith Baker
- Madame DeVigney
- Symona Boniface
- Ball Guest at British Embassy
- Thomas Braidon
- Cabinet Member
- Herbert Bunston
- First Cabinet Member
- Glen Cavender
- Russian Policeman
- Georgie Cooper
- Mrs. Farmer
- Joe De Stefani
- Man Saying Lenin Regained Consciousness
- Harrison Greene
- Soviet Committeeman
- Winter Hall
- Cabinet Member
- Olaf Hytten
- Under Secretary Avery
- Edward Keane
- Dr. S. Prohoroff
- Basil Lynn
- Cabinet Member
- Sylvia Marachi
- Countess Romano
- Joseph Marievsky
- Stalin
- Michael Mark
- Soviet Committeeman
- Claire McDowell
- Woman Saying 'Lenin will Live'
- William H. O'Brien
- Waiter in British Embassy Party
- Vesey O'Davoren
- Secretary Henderson
- Addison Richards
- Col. Zwaboda
- Sam Savitsky
- Cossack Beating Woman
- Harry Semels
- Soviet Committeeman
- Leonid Snegoff
- Russian Diplomat at British Embassy Party
- Wyndham Standing
- Englishman Talking to Carrister at Party
- Norman Stengel
- Radek
- Zozia Tanina
- Dora Kaplan
- Fred Walton
- Cabinet Member
- Leo White
- Ball Guest at British Embassy Party
- Robert Wilber
- Suspect
- Corinne Williams
- Dora Kaplan
- Florence Wix
- Ball Guest at British Embassy
