Searxng/Nineteen Steps Netflix mo TV Millie Bobby Brown stars in & co-wrote the WWII film Nineteen Steps, inspired by her grandmother's wartime story. A new Netflix project from the Stranger Thi... April 21, 2026 AceShowbiz - Millie Bobby Brown is advancing her Netflix career with a significant development on her upcoming World War II film, Nineteen Steps. The British actor, best known for her breakthrough role as Eleven in the hit Netflix series Stranger Things, is set to star in this new project as well as having co-written the original novel on which the movie is based.