Christopher Nolan has quickly become synonymous with “event films”: the type of movies that convince people to visit an actual movie theater. His latest showcases his signature style, and penchant for casting actors who are very familiar to his fans. Dunkirk hits theaters July 21, 2017.

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.