Murder! (1930 film) names of the two principal characters. The portrayal of the character Sir John Mernier was loosely based on that of the actor Gerald du Maurier, who was a friend of Hitchcock. Hitchcock later adapted three novels written by du Maurier's daughter Daphne du Maurier: "Jamaica Inn", "Rebecca" and "The Birds". Hitchcock makes his cameo appearance in the film as a man walking past the murder victim's house. The film's sets were designed by the art director John Mead. The German language version of the film, "Mary", was shot simultaneously on the same set with German speaking actors. Miles Mander reprised
Guy du Maurier Guy du Maurier Guy Louis Busson du Maurier DSO (18 May 1865, London, England – 9 Mar 1915, Kemmel, Flanders, Belgium) was an English army officer and playwright. He was the son of the writer George du Maurier and brother of Sylvia Llewelyn Davies and the actor Gerald du Maurier. He was educated at Marlborough and the Royal Military College, Sandhurst, and in 1885 became an officer in the Royal Fusiliers. He served in the Second Boer War, where he commanded a mounted infantry regiment, earning the Distinguished Service Order in 1902. He achieved notoriety in 1909 as the author