Warner Bros. has dropped another trailer for the World War II action epic Dunkirk [DUNKR] from filmmaker Christopher Nolan [CNOLA]. For 9 days, 400,000 Allied soldiers were trapped on the Northern Coast of France surrounded by Nazi Germany forces while they await their evacuation home across the English channel. The cast includes Tom Hardy, Mark Rylance, Kenneth Branagh, Cillian Murphy, Fionn Whitehead, Aneurin Barnard, Harry Styles, James D'Arcy, Jack Lowden, Barry Keoghan, and Tom Glynn-Carney. Dunkirk lands in theaters on July 21th.