Mystery Crime Thriller Drama
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.
Directed by
Roy William Neill
Lillian Bronson
Minister's Wife (uncredited)
Ian Wolfe
Commissioner of Scotland Yard
Basil Rathbone
Sherlock Holmes
Marjorie Bennett
Antique Shop Assistant (uncredited)
Patricia Morison
Mrs. Hilda Courtney
Cyril Delevanti
Convict at Dartmoor Prison (uncredited)
Frank Mills
Pub Patron (uncredited)
Frank Baker
Photographer
Harry Cording
Hamid
William H. O'Brien
Detective at Murder Scene
Olaf Hytten
Alfred - Auction House Bookkeeper (uncredited)
Leyland Hodgson
Tour Guide
Edmund Breon
Julian 'Stinky' Emery
Holmes Herbert
Ebenezer Crabtree
Charlie Hall
Cab Driver (uncredited)
Mary Gordon
Mrs. Hudson
Nigel Bruce
Dr. John H. Watson
Frederick Worlock
Colonel Cavanaugh
Sally Shepherd
Carl Harbord
Inspector Hopkins
Patricia Cameron
Evelyn Clifford
Wallace Scott
Joe Cisto
Jack Curtis
Pub Patron (uncredited)
Bobby Hale
Pub Patron (uncredited)
Alexander Pollard
Crabtree's Assistant at Auction (uncredited)

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