Image: official trailer (YouTube)Other Mommy is a 2026 American supernatural psychological horror film directed by Rob Savage from a screenplay by Nathan Elston, based on the 2024 novel Incidents Around the House by Josh Malerman. The film stars Jessica Chastain as a mother who must do everything to protect her seven-year-old daughter from a supernatural entity that resembles her. Jay Duplass also stars, as the father, while Dichen Lachman, Arian Moayed, Sean Kaufman, and Karen Allen play supporting roles.
The setup: Seven-year-old Isabella Martin, nicknamed Bella, struggles to adjust to a new school and cope with the growing distance between her parents. Her mother, Ursula, is consumed by her corporate career, while her father, Russell, nicknamed Russ, is an unemployed househusband who spends much of his time caring for Bella. Bella begins encountering a supernatural entity resembling her mother that she calls Other Mommy.
- Release
- October 8, 2026
- Director
- Rob Savage
- Starring
- Karen Allen, Jessica Chastain, Dichen Lachman, Jay Duplass, Sean Kaufman
- Genre
- Supernatural horror
- Runtime
- 93 min
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Trailer
Movie data from Wikidata (CC0). Synopses from Wikipedia, licensed CC BY-SA 4.0.