Stupidity: Sherlock Holmes, a "simple" detective, knows the whole story of an English officer and that of a Nazi secret agent and their great physical resemblance, but Barham's colleagues in British Intelligence do not know any of these facts and are surprised when Holmes tells them all the details.
Sherlock Holmes and the Voice of Terror (1942)
1 stupidity
Directed by: John Rawlins
Starring: Basil Rathbone, Nigel Bruce, Evelyn Ankers, Reginald Denny
Continuity mistake: After Meade escapes from the warehouse, Anthony Lloyd runs to the wall and pulls out one of the planks. In the next shot, he repeats the same action. (00:37:15)
Doctor Watson: Holmes, the girl waiting. What an extraordinary thing.
Sherlock Holmes: Elementary, my dear Watson.
Doctor Watson: No, no, no. It's an amazing deduction. How on earth did you arrive at it?
Sherlock Holmes: Barham told me.
Trivia: Henry Daniell, who plays Sir Anthony Lloyd, played several characters in the Basil Rathbone saga, including Professor Moriarty.