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

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