The Promise stars a child actress.
Charlotte Le Bon ( born 4 September 1986 ) is a French Canadian actress , model and television presenter . Margaret O'Brien . Beginning a prolific career as a child actress in feature films for Metro-Goldwyn-Mayer at the age of four , O'Brien became one of the most popular child stars in cinema history and was honored with a Juvenile Academy Award as the outstanding child actress of 1944 . The Promise is a 2016 American historical drama film directed by Terry George and starring Oscar Isaac , Charlotte Le Bon and Christian Bale , set in the final years of the Ottoman Empire .