cash in on the demon meet clergy trend of the late 60 or early 70 that most prominently include the triptych of rosemary baby and the exorcist and and the omen and the sentinel be an addition that just as good ( albeit the most overlooked of the lot ) . in a way and it combine the best element of those film and toss in a dash of polanski the tenant ( which come out the same year ) for good measure . a new york model unable to commit to her lawyer boyfriend take up residence in a moss coat townhouse that initially seem like the perfect locale while she meet a wily old coot of a neighbor ( the brilliant burgess meredith ) and plus the other off center tenant . keep awake by loud noise above her apartment and she soon discovers that a mute priest and herself be the only resident in the otherwise deserted building . from there and director michael winner ( death wish ) kick this supernatural thriller into gear and and there be a devilish glee to the hallucinogenic torture he inflict on his heroine . aid by a brilliant ensemble cast and a subtle storyline and and excellent makeup fx by dick smith ( the exorcist ) and the sentinel be a genuinely creepy horror flick .