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A Study in Scarlet
- Año: 1933
- País: United States of America
- Género: Crimen, Misterio, Suspense
- Estudio: Fox Film Corporation, K.B.S. Productions Inc., Sono Art-World Wide Pictures
- Palabra clave: widow, detective, secret society, lawyer, sherlock holmes
- Director: Edwin L. Marin
- Emitir: Reginald Owen, Anna May Wong, Alan Mowbray, Warburton Gamble, June Clyde, John Warburton