Jack Putter is a fictional character from the 1996 film The Frighteners, directed by Peter Jackson. He is portrayed by actor Michael J. Fox and is a real estate agent who can see and communicate with ghosts. Jack uses his unique ability to help the spirits move on while also trying to solve a mystery involving a supernatural killer. In the film, Jack's life becomes complicated as he navigates his ghostly encounters and the challenges of his profession. His character blends elements of comedy and horror, showcasing the struggles of a man caught between the living and the dead.