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Tutta Rolf as Colette Dubois / Nadia Petrova |
 |
Clive Brook as Bill Trent |
 |
Robert Barrat as Gaston Dupont |
 |
Nydia Westman as Anne Trepied |
 |
George Hassell as Henri |
 |
Dina Smirnova as Sonya |
| Writing | Samson Raphaelson | Screenplay |
| Editing | Margaret Clancey | Editor |
| Camera | Rudolph Maté | Director of Photography |
| Directing | Harry Lachman | Director |
