This document discusses the genre of thriller films. It defines thrillers as films that create excitement, suspense, and anticipation by building towards a climactic ending. Alfred Hitchcock directed some of the earliest thrillers in the 1920s-1940s. Common conventions of thrillers include low-key lighting, tense music, cliffhangers, isolated settings, props like guns or knives, and characters like criminals, victims, or stalkers. Popular directors of thrillers include Hitchcock, Nolan, and Scorsese, while actors like Nicole Kidman and Leonardo DiCaprio often appear in them. Thrillers generally target audiences 15+ due to violence but appeal to a wide range of demographics