motel   soviet union   based on novel   stabbing   movie with surprise ending   blood   flashback   female nudity   bare breasts   female frontal nudity   cia   nudity   london england   female rear nudity   nipples   dead woman   surprise   psycho thriller   shower   morse code   psycho   psycho killer   stabbed to death   death spasm   second part   courtroom   washington d.c.   voyeur   pubic hair   peep hole   towel   stabbed in the mouth   villainess   hit with a shovel   pressure from mother   based on ed gein   cia operative   slashed in the cheek   u.s. military   false alarm   u.s. navy   defection   cold war era   nuclear submarine   reference to christopher columbus   reference to ludwig van beethoven   soviet navy   bearded man   american submarine   chief medical officer   conning tower   intelligence analyst   laurentian abyss   leningrad russia   murder disguised as an accident   national security advisor   reference to luciano pavarotti   reference to paganini   soviet ambassador   soviet defector   soviet military   soviet national anthem   soviet submarine   stealth technology   submarine captain   submarine crew   submarine launched ballistic missile   submarine movie   submersible cruiser   military leadership   cult favorite   death   mysterious death   murder   beaten to death   knife   atlantic ocean   fictional war   submarine   telephone call   villain played by lead actor   telephone   race against time   sequel   20th century   psychopath   voyeurism   political thriller   shooting   slasher   suspense   sabotage   returning character killed off