Alfred Hitchcock's first thriller is a silent shocker about a mysterious tenant at a London boarding house whose odd behavior arouses the suspicions of his landlady, and eventually the police, who believe him to be "the Avenger," a Jack the Ripper-esque serial killer preying on young blonde women. Ivor Novello, Marie Ault, June, Malcolm Keen; Hitchcock turns up in his first on-screen appearance. AKA: "The Case of Jonathan Drew," "The Lodger." 74 min. Standard; Soundtrack: music score. Silent with music score.