Harry Styles to make film debut in Christopher Nolan action-thriller 'Dunkirk'

One Direction heartthrob Harry Styles is set to make his film debut in a World War II action-thriller from Christopher Nolan.

Styles will star in Nolan's "Dunkirk," which centers on the British military evacuation of the French city of Dunkirk in 1940, according to Variety. 

The singer and newcomer...