After a small role in Christopher Nolan‘s “Dunkirk‘ and a mid-credits cameo in Chloé Zhao‘s “Eternals,” Harry Styles‘ film career begins in earnest this October when he stars in Olivia Wilde‘s “Don’t Worry Darling.” But Styles leads another film out this Fall: “My Policeman,” a romantic drama about closeted gay romance in the 1950s UK.