Horror fans have a new reason to keep their closet doors firmly shut: Other Mommy, the upcoming supernatural thriller from director Rob Savage, is quietly shaping up to be one of the most intriguing genre releases of 2026!
Other Mommy adapts Josh Malerman’s 2024 novel Incidents Around the House, and much like its source material, the story hides something deeply unsettling beneath the surface of a seemingly ordinary home. Production has wrapped, post-production is underway, and now the slow trickle of details is fueling exactly the kind of eerie anticipation that we thrive on.
At the center of Other Mommy is eight-year-old Bela, played by newcomer Arabella Olivia Clark. Bela lives in a household fraying at the seams, caught between parents played by Jessica Chastain and Jay Duplass, whose marriage is held together by the thinnest emotional thread. As the adults lose themselves in conflict, their daughter becomes the one who notices the shift in the atmosphere first. Something begins to move in the shadows of her room. Something begins whispering.
The film leans into the oldest and most potent trick of horror: letting the imagination of a child lead us somewhere adults refuse to look. Bela becomes the conduit through which the supernatural leaks into the home. She experiences the presence of “Other Mommy,” a force that emerges from her closet. The horror is domestic, invasive, and emotionally parasitic.
Rob Savage, known for Host (2020) and The Boogeyman (2023), has already proven he can turn small spaces into pressure cookers. Pairing his filmmaking style with James Wan’s Atomic Monster, Spin a Black Yarn, and Blumhouse Productions gives the project the kind of horror pedigree that suggests Other Mommy won’t just chase jump scares; it will build dread slowly. With Nathan Elston adapting the script, the film seems positioned to retain the novel’s strange blend of psychological despair and supernatural menace.
Jessica Chastain’s involvement adds another layer of intrigue. She has the emotional gravity to ground a film that demands more than just terror. This is a story about the vulnerability of children, the fractures within families, and the terrifying idea that the person meant to protect you might someday be replaced by something wearing their face. Jay Duplass, Dichen Lachman, Karen Allen, and Sean Kaufman round out a cast that skews toward quiet emotional realism.
While the film was originally scheduled for a spring 2026 premiere, Universal shifted its theatrical release to October 9, 2026, a slot that practically glows with Halloween-season promise. No official trailer has been released yet, and the studios have been unusually reserved with promotional material. In the horror world, that kind of silence often means one thing: they’re waiting for the right moment to strike.
When the first trailer drops, expect a collective shiver from us horror movie lovers. If the adaptation captures even half of what Malerman built on the page, audiences won’t forget Other Mommy anytime soon.
