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Maurice Costello as Roy Brain |
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Rose Tapley as Marion Mallard - the Spy |
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Leo Delaney as Roy's Valet |
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William Humphrey as James Montepier - the Father |
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Lillian Walker as Helen Montepier - the Daughter |
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Ralph Ince as The Aviator |
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Clara Kimball Young as |
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Dolores Costello as |
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Helene Costello as |
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Frank A. Lyons as President Taft |
| Directing | Van Dyke Brooke | Director |
| Directing | William Humphrey | Director |
| Writing | Eugene Mullin | Scenario Writer |
