This document outlines several conventions and features commonly found in thriller films. It discusses how thrillers build suspense through techniques like low-key lighting, shadows, tense music, quick cuts, and violence. Flashbacks are also used to disorient audiences and provide backstory. Character roles can vary but often involve a protagonist and antagonist pitted against each other, though lines may sometimes be blurred between the two. Tension, mystery, and an unsettling atmosphere are key in keeping audiences engaged throughout the thriller genre.