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Ben F. Wilson as John Shirley |
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Neva Gerber as Polly Marion |
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Francis McDonald as 'Red' Warren |
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Joseph W. Girard as Dr. Reynolds |
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Nigel De Brulier as Professor Duval |
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Howard Crampton as Captain Cronin |
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William Quinn as Emil LaRoux |
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Irene Hunt as Mrs. Reynolds |
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Ernest Shields as Howard Van Cleft |
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Hoot Gibson as |
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Josephine Hill as |
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Evelyn Selbie as Pale Ida |
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L.M. Wells as Professor Montague |
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William Canfield as William Grimsby |
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Frank MacQuarrie as Alvin Van Cleft |
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Frank Tokunaga as |
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Lew Short as Short |
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Willard Wayne as Wayne |
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Charles Dorian as Dorian |
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Wadsworth Harris as James Walsh |
| Writing | Eustace Hale Ball | Novel |
| Directing | Stuart Paton | Director |
| Writing | J. Grubb Alexander | Scenario Writer |