由Gaylen Ross領(lǐng)銜主演的狂人上映于1981年，是一部恐怖片類型影視作品，對白語言是英語。講述了　　At a summer camp for youths, cockey pre-teen calls out the name of mass serial killer "Madman Marz". Suddenly, counselors are being maimed and slaughtered in various ways by the backwoodsman who has returned when his name was called.