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Harold Lockwood as Cyril Hammersley |
 |
Naomi Childers as Doris Mathers |
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Helen Lindroth as Lady Betty Heathcote |
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Kenneth Keeling as Geoffrey Mathers |
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William Bailey as Captain Walter Byfield |
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Bigelow Cooper as Sir John Rizzio |
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Leslie T. Peacocke as Chief of Scotland Yard |
| Writing | George Gibbs | Novel |
| Directing | Edwin Carewe | Director |
| Writing | Finis Fox | Scenario Writer |
