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Hermann Speelmans as Jimmy Ward / Sherlock Holmes |
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Trude Marlen as Maria Iretzkaja |
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Elisabeth Wendt as Lola |
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Edwin Jürgensen as J.V. Barnov |
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Theo Shall as Harry Morrel |
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Ernst Karchow as Inspektor Brown |
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Werner Finck as John, Diener bei Ward |
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Werner Scharf as Jack Clark |
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Hans Halden as James Hewitt |
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Henry Lorenzen as Archibald Pepperkorn |
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Reinhold Bernt as Wilson |
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Eva Tinschmann as Frau Miller |
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Ursula Herking as |
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Maria Loja as |
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Charles Willy Kayser as |
| Directing | Erich Engels | Director |
| Writing | Hans Heuer | Writer |
| Sound | Werner Bochmann | Music |
| Crew | Edgar S. Ziesemer | Cinematography |
| Writing | Erich Engels | Writer |
| Writing | Müller-Puzika | Writer |
