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