Enter for a chance to win tickets to see DUNKIRK on July 17 at 7:00 PM in Tucson. Warner Bros. Pictures’ Dunkirk , which Christopher Nolan is directing from his own original screenplay, has cast a crop of newcomers who include Fionn Whitehead (ITV’s “Him”), Jack Lowden (’71), Aneurin Barnard (Citadel), and One Direction singer/songwriter Harry Styles . Recent Oscar winner Mark Rylance (Bridge of Spies), Kenneth Branagh (Valkyrie), Cillian Murphy (Inception), James D’Arcy (Cloud Atlas) and Tom Hardy (The Revenant) will be the more experienced members of what is said will be a largely young/unknown ensemble cast. “Dunkirk” opens as hundreds of thousands of British and Allied troops are surrounded by enemy forces. Trapped on the beach with their backs to the sea they face an impossible situation as the enemy closes in. See how to enter after the Jump... Make sure to LIKE SandwichJohnFilms on Facebook and follow us on Twitter for all your entertainment news and