In his directorial debut, writer-director Joseph Gordon-Levitt also stars as Don Jon Martella, a New Jersey guy who loves his family, his friends, his church...And his porn. When he meets Barbara Sugarman (Scarlett Johansson), a perfect "dime" with an infatuation for romantic Hollywood movies, they struggle to find happiness while wrestling with their respective ideals of what the opposite sex should be. Relativity Media has shared the first official trailer for their upcoming film. Watch as Jon attempts to break free from his lifestyle and find new meaning in a world where porn rules all, with Tony Danza starring as his father and Brie Larson as his sister.