Christopher Nolan is stepping into a new film set to release next year titled Dunkirk. The World War II movie stars Tom Hardy, Fionn Whitehead, and Mark Rylance and centers around the infamous story of Operation Dynamo, an extremely difficult mission to save 300,000 soldiers from the harbor of Dunkirk, France, which was surrounded by Nazi troops. Peep the official trailer to Christopher Nolan's Dunkirk set to his theaters on July 19, 2017.