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
Bedelia Du Maurier victims by removing the ice pick that Lecter had jammed into the side of the man's head. When Crawford and Graham close in on Lecter, Du Maurier informs Lecter that she won't flee Italy with him. To create an alibi for herself, she injects herself with psychotropic drugs in order to make it appear as if Lecter had been drugging her into submission the whole time. Crawford and Graham question Du Maurier while she is under the influence. The Italian police – bought off by Lecter's surviving victim Mason Verger (Joe Anderson) – interrogate Du Maurier, and she informs the