Guillermo del Toro presents Mama, a terrifying supernatural thriller starring Academy Award-nominated Jessica Chastain (Zero Dark Thirty, The Help) and Nikolaj Coster-Waldau (Oblivion, TV's Game of Thrones). Two little girls disappear into the woods the day that their parents are killed. When they are rescued many years later and begin a new life, they find that someone or something still wants them to come and tuck them in at night.