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

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