Thrillers use techniques like suspense, plot twists, and mystery to stimulate viewers' emotions. Key characteristics include an unpredictable plot that builds to a climax, as well as elements like red herrings, cliffhangers, themes of kidnapping or revenge, and characters like protagonists, antagonists, and victims. Cinematography in thrillers employs techniques such as low lighting, shadows, and close-ups to create tension. Editing uses techniques like jump cuts and match cuts between action scenes to further mystery and suspense. Sound design with diegetic and non-diegetic elements also stimulates emotion. Popular thriller characters include heroes, villains, helpers, and victims.