When was Other Mommy released in the United States?

Other Mommy was released in the United States on October 9, 2026.
The confirmed U.S. release date
The available context says Universal Pictures released Other Mommy in the United States on October 9, 2026.
The film is a supernatural psychological horror movie directed by Rob Savage, with a screenplay by Nathan Elston.
Production timing
The film was shot in Dublin from May to July 2025. That gives the confirmed production-to-release timeline: filming in 2025, U.S. release in 2026.
What to check next
The context does not include streaming availability, international release dates, or theater counts. If you are planning to watch it, check a current listing from Universal Pictures or your local theater service.
How is Other Mommy connected to Incidents Around the House?

Other Mommy is connected to Incidents Around the House because the film’s screenplay is based on that novel.
The source-material link
Nathan Elston wrote the screenplay for Other Mommy, and the available context says it is based on Josh Malerman’s 2024 novel Incidents Around the House.
That makes the film an adaptation, not just a separate story with a similar premise.
What the film is about
Other Mommy follows a mother, played by Jessica Chastain, who is trying to protect her daughter from a supernatural being that looks like her.
Rob Savage directed the film.
What is not specified
The context does not explain how closely the movie follows the book, what changes were made, or whether the ending differs. For that kind of comparison, use the source as a starting point and check official film materials.
Who stars in Other Mommy and what roles are described?

Other Mommy stars Jessica Chastain, with Arabella Olivia Clark also named in a central role.
The roles described
The confirmed roles are:
- Jessica Chastain plays a mother trying to protect her daughter.
- Arabella Olivia Clark plays the daughter.
- Jay Duplass, Dichen Lachman, Arian Moayed, and Karen Allen are listed in supporting roles.
The story context
The threat in the film is a supernatural being that looks like the mother. That is the core setup given in the available context.
What the cast list does not say
The provided information does not name the supporting characters or describe each actor’s specific role. For a fuller cast breakdown, check the latest official listing or the linked source.
Sources / Learn more
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