In 'The Gunman', directed by Pierre Morel, Sean Penn stars as a former Special Forces soldier and military contractor suffering from PTSD. He tries to reconnect with his long time love, but first must go on the run from London to Barcelona and across Europe in order to clear his name. The film also stars Javier Bardem, Idris Elba, Ray Winstone, Mark Rylance and Jasmine Trinca.