Stalker (Russian: Сталкер) is a 1979 science fiction film directed by Andrei Tarkovsky, with a screenplay written by Boris and Arkady Strugatsky, loosely based on their novel Roadside Picnic. It depicts an expedition led by the Stalker (guide) to bring his two clients to a site known as the Zone, which has the supposed potential to fulfill a person's innermost desires.if (wgNotice != '') document.writeln(wgNotice);StalkerFrom Wikipedia, the free encyclopediaJump to: navigation,searchLook up stalker in Wiktionary, the free dictionary.A stalker is someone who engages in stalking.