Other Mommy 2026 is a supernatural horror film directed by Rob Savage and produced by Blumhouse Productions and Atomic Monster. The film, distributed by Un…
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Other Mommy
Discover Other Mommy, the 2026 supernatural horror film from director Rob Savage and Blumhouse. Jessica Chastain stars in a chilling dual role adapted from Josh Malerman's novel Incidents Around the House.
Other Mommy Guide
Everything you need to know about the 2026 supernatural horror film from Blumhouse and Universal Pictures.
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Other Mommy (2026 film): A Comprehensive Guide
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Other Mommy (2026 Film) Wiki - Overview, Plot, Cast, & Trailer
Other Mommy, a 2026 supernatural horror film directed by Rob Savage, is an adaptation of Josh Malerman's novel "Incidents Around the House." Starring Jessi…
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Other Mommy Movie Overview
Other Mommy is an upcoming supernatural horror film directed by Rob Savage and produced by Blumhouse Productions and Atomic Monster, with Universal Pictures handling distribution. It adapts Josh Malerman's 2024 horror novel Incidents Around the House and reaches North American theaters on October 9, 2026. Jessica Chastain stars in a dual role as both the mother Ursula and the sinister entity known as the Other Mommy.
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Director
Rob Savage, known for atmospheric, screen-life, and slow-burn horror.
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Lead Actor
Jessica Chastain plays a dual role as mother Ursula and the entity Other Mommy.
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Release Date
Theatrical release in North America on October 9, 2026.
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Studios
Produced by Blumhouse Productions and Atomic Monster; distributed by Universal Pictures.
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Based On
The novel Incidents Around the House by Josh Malerman, author of Bird Box.
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Genre
Supernatural horror with domestic and psychological elements.
Story
Other Mommy Plot and Story
The story follows eight-year-old Bela, whose family is her entire world. But alongside her mother, her father (Daddo), and her grandmother, there is also the Other Mommy, a malevolent entity that has visited Bela for as long as she can remember and repeatedly asks to be let into her heart.
Cast
Other Mommy Cast and Characters
Other Mommy assembles a cast led by Jessica Chastain in a dual role, supported by Jay Duplass and young actress Arabella Olivia Clark as Bela, alongside an ensemble of familiar character actors.
Ursula / Other Mommy
Jessica Chastain
Plays a dual role as Bela's mother and the supernatural entity.
Russ
Jay Duplass
Bela's father.
Bela
Arabella Olivia Clark
The eight-year-old girl at the center of the story.
Supporting Cast
Dichen Lachman
Joins the Other Mommy ensemble in a supporting role.
Supporting Cast
Arian Moayed
Part of the Other Mommy supporting ensemble.
Supporting Cast
Karen Allen
A veteran addition to the Other Mommy cast.
Supporting Cast
Sean Kaufman
A supporting cast member in Other Mommy.
The Entity
Who Is the Other Mommy?
The Other Mommy is the malevolent entity that haunts Bela. It is not simply a ghost but a presence that seems to mirror and distort motherhood, growing in power alongside the family's emotional collapse.
Behind the Scenes
Other Mommy Production
Other Mommy is a collaboration between two of the biggest names in modern horror. The adaptation brings Josh Malerman's literary terror into Blumhouse's blockbuster horror pipeline.
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Director: Rob Savage
Rob Savage directs Other Mommy, bringing his reputation for tense, innovative horror filmmaking to the project.
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Blumhouse Productions
Jason Blum's Blumhouse produces Other Mommy, the studio behind a long string of commercially successful horror hits.
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Atomic Monster
Atomic Monster co-produces Other Mommy, James Wan's horror-focused production company, partnering with Blumhouse.
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Universal Pictures
Universal Pictures handles worldwide theatrical distribution for Other Mommy, giving the film a wide studio release.
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Based on the Novel
The Other Mommy screenplay adapts Incidents Around the House, Josh Malerman's acclaimed 2024 horror novel.
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Author Connection
Josh Malerman, the author behind Other Mommy's source novel, is best known for Bird Box, which was also adapted into a major film.
Media
Other Mommy Trailer and Media
Marketing for Other Mommy has begun building anticipation ahead of its October 2026 release, with the official trailer giving audiences their first sustained look at the film's terrifying tone.
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Official Trailer
The official Other Mommy trailer has been released, showcasing Jessica Chastain's dual role and the film's unsettling domestic horror.
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Trailer Debut
The Other Mommy trailer was reported to be attached to theatrical screenings of The Odyssey, reaching a wide audience in cinemas.
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Audience Reaction
Early reports described the Other Mommy trailer as genuinely frightening, with accounts of jump scares startling theater audiences.
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First Look
Promotional materials for Other Mommy highlight the eerie maternal imagery and Bela's child's-eye perspective on the terror.
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Marketing Tone
The Other Mommy campaign emphasizes slow-burn dread and the uncanny presence of the Other Mommy rather than gore.
The Source Novel
Other Mommy Source Novel: Incidents Around the House
Before it was a film, Other Mommy was Incidents Around the House, a chilling horror novel by Josh Malerman told entirely from the perspective of a child. The book established the entity, the family, and the dread that the adaptation brings to the screen.
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Author: Josh Malerman
The Other Mommy source novel was written by Josh Malerman, the bestselling horror author best known for Bird Box.
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Point of View
The novel behind Other Mommy is told entirely from eight-year-old Bela's perspective, heightening the fear through a child's limited understanding.
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The Entity
The book establishes the Other Mommy as a presence that has visited Bela nightly, asking to enter her heart.
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Family Dynamics
The Other Mommy novel ties the supernatural threat to the emotional fractures in Bela's family, especially her parents' troubled marriage.
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Reception
The novel that inspired Other Mommy received strong reviews from horror readers and was praised for its original, child-focused narration.
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Adaptation
The Other Mommy film adapts the novel's core premise and characters for the screen under Rob Savage's direction.
Release
Other Mommy Release and Reviews
Other Mommy moves from a celebrated horror novel to a major studio theatrical release. Below are the key milestones in its journey to the big screen.
2024
Novel Published
Josh Malerman's Incidents Around the House is published, introducing Bela and the Other Mommy to readers.
Pre-Production
Film Adaptation Announced
An Other Mommy adaptation enters development with Blumhouse and Atomic Monster producing.
2026
Rob Savage Directs
Rob Savage is attached to direct Other Mommy, with Jessica Chastain set to lead the cast in a dual role.
July 2026
Official Trailer Released
The first official Other Mommy trailer debuts, attached to theatrical screenings of The Odyssey.
October 9, 2026
Theatrical Release
Other Mommy arrives in North American theaters, distributed by Universal Pictures.