Sherlock Holmes and the Secret Weapon

In this film, Holmes is up against his toughest foe, Professor Moriarty (played to perfection by horror icon Lionel Atwill). Holmes is working for England in the war against Hitler and has successfully accomplished his mission of getting Dr. Franz Tobel, creator of the extremely accurate and destructive 'Tobel Bomb Site' which the Germans are after, into England, Starring Basil Rathbone.