Harry Styles. (Greatstock/Splash) Los Angeles - Harry Styles will live at sea to prepare for a movie role. The One Direction star is set to join the rest of the cast and crew of Dunkirk on an old Navy ship, where there is no access to any electricity or running water. But this will be tough and producers are trying to make life on board as realistic as possible." Meanwhile, the 22-year-old singer is keen to focus on both his music and acting going into the future.