Hangman is a 2017 American crime thriller film directed by Johnny Martin and written by Charles Huttinger and Michael Caissie. The film stars Al Pacino, Karl Urban, Joe Anderson, Sarah Shahi, and Brittany Snow. The film follows a detective who tries to track down a serial killer who bases his murders off the child's guessing game. It was released on December 22, 2017, and was panned by critics.