The Gunman is a 2015 French-American action thriller film directed by Pierre Morel and written by Don Macpherson, Pete Travis and Sean Penn, based on the novel The Prone Gunman, by Jean-Patrick Manchette. It stars Penn, with Idris Elba, Ray Winstone, Mark Rylance, and Javier Bardem appearing in supporting roles. The film was released on March 20, 2015 by Open Road Films.