本片《精神病患者》HD别名《Murder by Mail》是由导演David Paulsen执导，主演克劳斯·金斯基,唐娜·威尔克斯,玛丽亚娜·希尔,克雷格·沃森,理查德·赫德,乔·雷加尔布托,克里斯托弗·洛伊德,Flo Lawrence,吉瓦·劳伦斯,Claude Duvernoy,辛迪·唐兰,Jon Greene,David Assael,Richard Balin,Fredric Cook,Kathy Garrick,Gracia Lee,Tobar Mayo,Jonathon Millner,Frances E. Nealy等一起参与演出的一部剧情片，美国,以色列地区，类型剧情,悬疑,惊悚,恐怖，年份1980，本片讲述的是：An advice columnist begins receiving threatening notes from an anonymous stalker; meanwhile, members of her group therapy session are being murdered by an unknown assailant