Trailer
Images
 | Leslie Howard as Stephen 'Steve' Locke |
 | Kay Francis as Elena Moura |
 | William Gargan as Bob Medill |
 | Phillip Reed as Gaston LeFarge |
 | Irving Pichel as Sergei Pavlov |
 | Ivan F. Simpson as 'Poohbah' Evans |
 | Halliwell Hobbes as Sir Walter Carrister |
 | J. Carrol Naish as Commissioner of War Trotsky |
 | Walter Byron as Under Secretary Stanley |
 | Cesar Romero as Tito Del Val |
 | Arthur Aylesworth as Mr. Henry Farmer |
 | Alphonse Ethier as Paul DeVigney |
 | Frank Reicher as Mr. X |
 | Tenen Holtz as Lenin |
 | Doris Lloyd as Lady Carrister |
 | Mary Forbes as Lady Catherine Trehearne |
 | Marina Koshetz as Maria Nikolaievna (as Marina Schubert) |
 | George C. Pearce as Lloyd George (as George Pearce) |
 | Gregory Gaye as Mr. Kolinoff |
 | Paul Porcasi as Count Romano |
 | Glen Cavender as Russian Policeman (uncredited) |
 | Claire McDowell as Woman Saying 'Lenin will Live' (uncredited) |
| Editing | |
| Thomas Richards | Editor |
Crew | |
| Scotty Moore | Prop Maker |
Art | |
| Anton Grot | Art Direction |
Crew | |
| Charles David Forrest | Sound Recordist |
Writing | |
| Laird Doyle | Screenplay |
Directing | |
| Michael Curtiz | Director |
Camera | |
| Al Roberts | Camera Operator |
| Henry Blanke | Camera Operator |
| Homer Van Pelt | Still Photographer |
Crew | |
| Nicholas Kobliansky | Technical Supervisor |
Sound | |
| Leo F. Forbstein | Conductor |
Costume & Make-Up | |
| Orry-Kelly | Costume Design |
Camera | |
| Ernest Haller | Director of Photography |
Sound | |
| Heinz Roemheld | Original Music Composer |
Writing | |
| R.H. Bruce Lockhart | Novel |
Sound | |
| Bernhard Kaun | Original Music Composer |
