John Michael Graham was an American actor and screenwriter, known primarily for playing Bob Simms in John Carpenter's cult horror film, *Halloween* (1978). His character, the victim of one of the film's most memorable scenes, established him as an iconic figure in the genre. His acting career also includes roles in films such as *Hardcore* (1979) and the television movie *Guyana Tragedy: The Story of Jim Jones* (1980). In addition to acting, Graham worked as a screenwriter, co-writing the script for the thriller *The Jigsaw Murders* (1989). He later pursued a different career path, working for a long time for the Walt Disney Company as a writer and producer of shows for its theme parks. Despite having a varied career, his name remains inextricably linked to the success and lasting legacy of *Halloween*, which has secured him a permanent place in horror cinema history.