deliverance fascinating haunting sometimes even disturbing tale james dickey turned brilliant movie john boorman four businessmen driven manhood machobehavior whore spending canoeing weekend high mountains there theyre faced every darkest side man every worst form human miserypoverty buggery even physical harassment four men intended travel river adventure excitement trip soon changes odyssey violent lurking mountainland completely estranged forms civilisation elements actually make deliverance one nightmarish films ive ever seen everything happens men pray never find similar situation pure talking cinema deliverance important movie well john boormans best closely followed zardoz excalibur  still  influential film contains several memorable scenes already featured numberless movies think terrific duelling banjos musical score and course unforgettable homosexual squeal like pig rape scene actors deliver haha perfect acting performances especially jon voight must see motion picture