William Castle was an American film director, producer, and screenwriter, known for his work in the horror genre during the 1950s and 1960s. He gained fame for his innovative marketing techniques and theatrical gimmicks, which included using props and audience participation to enhance the viewing experience. Some of his most notable films include House on Haunted Hill and The Tingler. Castle was born on April 24, 1914, in New York City and began his career in the film industry as a production assistant. He later became a prominent figure in independent filmmaking, often blending humor with horror. His unique approach to filmmaking has left a lasting impact on the genre.