Cast & Crew
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Reginald OwenSherlock Holmes - Warburton GambleDr. Watson
- Anna May WongMrs. Pyke
- June ClydeEileen Forrester
- Alan DinehartMerrydew
- John WarburtonJohn Stanford
- J.M. KerriganJabez Wilson
- Alan MowbrayLestrade
- Doris LloydMrs. Murphy
- Billy BevanWill Swallow
- Leila BennettDaffy Dolly
- Wyndham StandingCapt. Pyke
- Halliwell HobbesDearing
- Tetsu KomaiAh Yet (uncredited)
- Tempe PigottMrs. Hudson (uncredited)
- Hobart CavanaughInnkeeper Thompson (uncredited)
- Olaf HyttenMerrydew's Butler (uncredited)
- Edwin L. MarinDirector
- Samuel BischoffProducer
- Robert FloreyWriter
- Reginald OwenWriter