The Hounds of Baskerville order to test his theory. He also points out Sherlock was wrong for once; he believed the drug was in Henry's sugar and put it in John's coffee. In the closing scenes, Mycroft oversees the release of Jim Moriarty (Andrew Scott) from a holding cell in which he has written Sherlock's name all over the walls. The story is based on Arthur Conan Doyle's novel "The Hound of the Baskervilles", and also contains plot devices and lines from other Doyle stories: In June 2011, it was announced that Russell Tovey would appear in "Sherlock" series two in its second episode.
The Hound of the Baskervilles (1939 film) to the house and destroys the poison that Stapleton had just given to the wounded Baskerville. Stapleton pulls a gun and flees. Holmes says ominously, "He won't get very far. I've posted constables along the roads and the only other way is across the Grimpen Mire." Holmes is praised for his work on the case, and he turns in. The butler was named Barrymore in the novel, but because of the existence of the real-life John Barrymore of the Barrymore family theatrical dynasty, his name was changed to Barryman in the film. In a contemporary review, the "Monthly Film Bulletin"