Academy Award® winner Jessica Chastain stars in a terrifying trip into the darkening world of a young girl, Bela, who forms a relationship with a disturbing entity in her home who looks uncannily like her own mother. "Other Mommy" proves to be more than a mere figment of the girl's imagination as she becomes a sinister, manipulative presence determined to tear apart Bela's family. © 2026 Universal Studios. All Rights Reserved.