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Dustin Farnum as Sir Percy Blakeney |
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Winifred Kingston as Lady Margaret Blakeney |
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William Burress as Chauvelin |
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Bertram Grassby as Sir Andrew Ffoulkes |
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Bert Hadley as Desles |
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Howard Gaye as Lord Antony Dewhurst |
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Willard Louis as Mr. Jellyband |
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Jack Nelson as Armand St. Just |
| Directing | Richard Stanton | Director |
| Writing | Bennett Cohen | Adaptation |
| Writing | Baroness Emmuska Orczy | Novel |
| Camera | Devereaux Jennings | Director of Photography |
| Crew | William Fox | Presenter |
