Basil Rathbone appeared in a series of TV commercials for Getz Exterminators ("Getz gets 'em, since 1888!'"). Rathbone also brought Holmes to the stage in a play written by his wife Ouida. Thomas Gomez, who had appeared as a Nazi ringleader in "Sherlock Holmes and the Voice of Terror", played the villainous Professor Moriarty. Nigel Bruce was slated to portray Dr Watson once more but became too ill and the part was played by character actor Jack Raine. Bruce's absence depressed Rathbone, particularly after Bruce died on 8 October 1953, while the play was in rehearsals. The play ran for only three
Sherlock Holmes and the Secret Weapon of a Swiss scientist by their nemesis Professor Moriarty, to steal a new bomb sight and sell it to Nazi Germany. Sherlock Holmes and Dr. John Watson have to crack a secret code in order to save the country. The film is one of four films in the series which are in the public domain. Sherlock Holmes (Basil Rathbone) pretends to be a Nazi spy to aid scientist Dr. Franz Tobel (William Post Jr.) and his new invention, a bombsight, in escaping a Gestapo trap in Switzerland. Holmes and Franz fly to London, where Holmes places him under the protection