The Hound of the Baskervilles

Leonard Carey as Hugo's Servant (uncredited) Frank McLure as Ship Passenger (uncredited) Nigel Bruce as Doctor John H. Watson Nigel De Brulier as The Notting Hill Murderer Rita Page as Chambermaid (uncredited) Richard Greene as Sir Henry Baskerville Morton Lowry as John 'Jack' Stapleton E. E. Clive as London Cabbie John Clayton Mary Young as Betsy Ann's Mother (uncredited) Barlowe Borland as Frankland Wendy Barrie as Beryl Stapleton Ralph Forbes as Sir Hugo Baskerville Eily Malyon as Mrs. Barryman Ruth Terry as Betsy Ann John Carradine as Barryman Lionel Atwill as Dr. James Mortimer Basil Rathbone as Sherlock Holmes Beryl Mercer as Mrs. Jennifer Mortimer Mary Gordon as Mrs. Hudson Peter Willes as Roderick

Sidney Lanfield Director Gene Markey Associate Producer Arthur Conan Doyle Novel