Having once again avoided criminal conviction, Professor Moriarity develops a murderous plan to “finish off” his last major nemesis, Sherlock Holmes, by making him fail to prevent the perfect crime. Does it involve a family curse, the crown jewels of England, or something else…
Basil Rathbone
as Sherlock Holmes
Nigel Bruce
as Dr. Watson
Ida Lupino
as Ann Brandon
Alan Marshal
as Jerrold Hunter
Terry Kilburn
as Billy
George Zucco
as Professor Moriarty
Henry Stephenson
as Sir Ronald Ramsgate
E. E. Clive
as Inspector Bristol
Arthur Hohl
as Henchman Bassick
May Beatty
as Mrs. Jameson, Brandon Housekeeper
Peter Willes
as Lloyd Brandon
Mary Gordon
as Mrs. Hudson
