Christopher Nolan Marshals Army of Extras as He Decreates Dunkirk Evacuation | Daily Mail 

Commanding an army of 1,500 extras and a plethora of machinery, including cranes and planes, the 45-year-old director certainly seemed to be pulling out all the stops for the epic World War II film.

Source: Christopher Nolan marshals army of extras as he recreates Dunkirk evacuation | Daily Mail Online