Multiple choice general knowledge Which William Castle film used "Emergo"? The Tingler thirteen ghosts house on haunted hill macabre Reveal answer Fill a bubble to check yourself C Correct answer Explanation William Castle's 1959 film 'House on Haunted Hill' used the 'Emergo' gimmick, where a glowing skeleton skeleton was rigged to fly over the audience during the film to create a scare effect. Castle was known for such promotional theater gimmicks.