A convicted thief in Dartmoor prison hides the location of the stolen Bank of England printing plates inside three music boxes. When the innocent purchasers of the boxes start to be murdered, Holmes and Watson investigate.
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Basil Rathbone | Sherlock Holmes |
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Nigel Bruce | Doctor Watson |
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Patricia Morison | Mrs. Hilda Courtney |
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Edmund Breon | Julian 'Stinky' Emery |
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Frederick Worlock | Col. Cavanaugh |
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Carl Harbord | Inspector Hopkins |
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Patricia Cameron | Evelyn Clifford |
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Holmes Herbert | Ebenezer Crabtree |
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Harry Cording | Hamid |
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Leyland Hodgson | Tour Guide |
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Mary Gordon | Mrs. Hudson |
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Ian Wolfe | Commissioner of Scotland Yard |
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Harry Allen | Scottish Man at Auction |
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Frank Baker | Photographer |
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Guy Bellis | Doctor |
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Wilson Benge | Minister on Museum Tour |
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Marjorie Bennett | Antique Shop Assistant |
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Ted Billings | Pub Patron |
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Barbara Brewster | Pub Patron |
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Gloria Brewster | Pub Patron |
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Lillian Bronson | Minister's Wife |
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Jack Curtis | Pub Patron |
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Cyril Delevanti | Convict at Dartmoor Prison |
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Tom Dillon | Detective Sgt. Thompson |
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Bess Flowers | Pub Patron |
Director | Roy William Neill |
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Writer | Leonard Lee, Frank Gruber, Arthur Conan Doyle | |
Producer | Howard Benedict, Roy William Neill | |
Photography | Maury Gertsman |