Basil Rathbone
Sherlock Holmes
Acting
Nigel Bruce
Dr. John Watson
Acting
Dennis Hoey
Inspector Lestrade
Acting
Evelyn Ankers
Naomi Drake
Acting
Miles Mander
Giles Conover
Acting
Ian Wolfe
Amos Hodder
Acting
Charles Francis
Francis Digby, curator
Acting
Holmes Herbert
James Goodram, courier
Acting
Richard Aherne
Museum Guard Bates
Acting
Mary Gordon
Mrs. Hudson
Acting
Rondo Hatton
The Hoxton Creeper
Acting
Harry Cording
George Gelder (uncredited)
Acting
Billy Bevan
Constable With Food Tray (uncredited)
Acting
Leyland Hodgson
Customs Officer (uncredited)
Acting
Eric Wilton
Chauffeur (uncredited)
Acting
Lillian Bronson
Maj. Harker's Housekeeper (uncredited)
Acting