Spies on opposite sides fall in love in pre-revolutionary Russia.
| Writing | Baroness Emmuska Orczy | Novel |
| Directing | George Fitzmaurice | Director |
| Writing | Harold Goldman | Writer |
| Production | John W. Considine Jr. | Producer |
| Art | Cedric Gibbons | Art Direction |
| Editing | Conrad A. Nervig | Editor |
| Costume & Make-Up | Adrian | Costume Design |
| Camera | Harold Rosson | Director of Photography |
| Sound | Franz Waxman | Original Music Composer |
| Writing | Herman J. Mankiewicz | Dialogue |
