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 in action in Flanders in 1915. J. M. Barrie wrote to Guy's nephew George Llewelyn Davies to inform him of the death; by the time Barrie received his response, George himself had been killed. 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