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Ruth Roland as Ruth, The Girl Detective |
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Marin Sais as Bertha, the Girl Detective |
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Cleo Ridgely as Kate Rumson / Mrs. Rodger Hastings / Olga / Queenie / Molly Moran / Jean, The Girl Detective |
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Edward Clisbee as Chief of Police Harding |
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Arthur Shirley as John Talcott |
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William H. West as Rumson / Strumfsky / Isaacson / Fairfax / Marsden / Rankin / Deacon / Merriman / Craven / Kerrigan / Brandon / Dr. Barry |
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Paul Hurst as Blair / Thompson / Michaels / Snake Henely / Mike Donegal / Bat Dorgan / Kelly / Dalton / Blake |
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Ollie Kirby as Mrs. Churchill / Emily Wharton / Mary Kerrigan / Marie / Mrs. Winslow / Mabel Keene / Mrs. Cluett |
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Thomas G. Lingham as George Warren / Machson / Doran / Rat Hogan / Ripert Bladeau / Jarvis / Breslow / Jeffries / Rillando / Dr. Keene |
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Frank Jonasson as McGregor / Buck Donegal / Fourteen-Carat Tommy / Henri Bladeau / Turner / Denton / Jordan / Scotty Weed |
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R. Henry Grey as Rodger Hastings / Harry Warrington |
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Thomas Galligan as Peters / Thompson |
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Alice Meyer as Marie |
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James W. Horne as Blaney |
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J. Schneider as Chad |
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Evelyn Wayne as Ray, Brandon's Daughter |
| Writing | Hamilton Smith | Writer |
| Directing | James W. Horne | Director |
