There’s nothing like a mother’s love. But what happens when something else starts wearing her face?
From James Wan, one of the influential architects behind the Saw, Insidious and The Conjuring franchises, and Rob Savage, director of Host and The Boogeyman, comes Other Mommy, a terrifying new horror film based on the New York Times bestselling novel Incidents Around the House by Josh Malerman, author of Bird Box.
Other Mommy follows a young girl named Bela, who forms a disturbing relationship with a sinister entity inside her home that looks uncannily like her own mother.
The film arrives exclusively in Canadian theatres on October 9, 2026.
Other Mommy
- Director: Rob Savage
- Starring: Jessica Chastain, Arabella Olivia Clark, Jay Duplass, Dichen Lachman, Arian Moayed, Karen Allen, Sean Kaufman, Adam Silver
- Genre: Horror
A Mother’s Face Hides Something Terrifying
Bela’s world begins to change when she encounters an entity that looks remarkably like her mother.
What initially appears familiar soon becomes deeply unsettling as Bela develops a relationship with “Other Mommy.” The entity’s presence turns her home into a terrifying place, leaving Bela caught between the comfort of her mother and the horrifying possibility that something else has taken her place.
As the line between mother and monster begins to disappear, Bela must face a presence that knows exactly how to get close to her.
Your mommy won’t save you.
Jessica Chastain Takes on a Dual Role
Academy Award winner Jessica Chastain leads the film in a dual role as Ursula / Other Mommy.
Arabella Olivia Clark stars as Bela, while Jay Duplass plays her father, Russ.
The supporting cast includes:
- Dichen Lachman
- Karen Allen as Grandma Ruth
- Carrie Dimaculangan as Callie
Rob Savage Directs Other Mommy
Rob Savage directs Other Mommy from a screenplay by Nathan Elston, based on Josh Malerman’s novel Incidents Around the House.
The film comes from Blumhouse and Atomic Monster, with James Wan among the creative forces behind the project.
Release Details
Title: Other Mommy
Release Date: October 9, 2026
Release: Canadian Theaters
Rating: 14A
Genre: Horror
Runtime: 1 hour, 33 minutes
Director: Rob Savage
Screenplay: Nathan Elston
Based On: Incidents Around the House by Josh Malerman
Starring: Jessica Chastain, Arabella Olivia Clark, Jay Duplass, Dichen Lachman, Karen Allen, Carrie Dimaculangan
Other Mommy takes the familiar idea of a child’s relationship with their mother and turns it into something deeply disturbing. The idea that a sinister entity could look exactly like the person you trust most is enough to make the family home feel like the most dangerous place imaginable.
With Jessica Chastain taking on the roles of both Ursula and Other Mommy, Rob Savage behind the camera, and
helping bring the project to life, Other Mommy looks to deliver a dark and unsettling horror experience.
Other Mommy is only in theatres on October 9, 2026.
