What Other Mommy Is About
Other Mommy centers on eight-year-old Bela, whose fractured family life takes a terrifying turn when a supernatural entity begins haunting her home. The creature—which Bela names "Other Mommy"—isn't content to merely haunt the house; it's actively pursuing the child, demanding permission to inhabit her body and take residence inside her. What unfolds is less a traditional ghost story and more a psychological siege, where the line between maternal protection and malevolent possession blurs in increasingly unsettling ways. The entity wants in. And it won't stop asking.
The Creative Team Behind the Film
Rob Savage directs from a screenplay by Nathan Elston, adapting Malerman's 2024 novel for the screen. That's a significant pedigree—Malerman's work tends toward atmospheric dread, and Savage has proven himself capable of building tension in confined spaces (his earlier horror work shows real command of claustrophobic terror). The production brings together some heavyweight horror voices: James Wan's Atomic Monster banner serves as producer, alongside Blumhouse Productions and Spin a Black Yarn, with Universal Pictures handling distribution. According to reports, principal photography wrapped in Dublin, Ireland, after beginning in May 2025, and the project has since moved into post-production.
The ensemble cast includes Jessica Chastain as Ursula, Jay Duplass as Russ, Karen Allen as Grandma Ruth, Dichen Lachman, Sean Kaufman, and young Arabella Olivia Clark as Bela—the film's emotional center. What's striking is the casting choice itself: Chastain isn't typically associated with straightforward horror, which suggests Savage may be pushing toward something more character-driven than pure scares.
Why This Matters Now
Blumhouse and Atomic Monster have built considerable goodwill in the horror space over the past five years. The combination of a literary source (Malerman has a devoted following), a prestige director, and a major studio backing creates genuine anticipation—though it's worth noting we're still in the pre-release phase. No trailer has dropped yet. Nobody's seen footage. The October 9, 2026 release date comes after an earlier May slot was pushed back, a common occurrence in post-production, but it also suggests the filmmakers wanted more time to get it right.
Honestly, the premise itself—an entity seeking permission to inhabit a child—taps into primal parental anxiety in ways that feel timely. It's not just about a haunted house; it's about violation of the body, agency, and what happens when family becomes the vector for something else entirely.
Release Date & How to Watch
Other Mommy is expected to arrive in theaters on October 9, 2026. The film is not yet released, and streaming availability has not been confirmed. Movie OTT will track where the film becomes available across platforms as distribution rights are announced—check our Where to Watch widget for updates as we approach release.
Frequently Asked Questions
When is Other Mommy releasing?
Other Mommy is scheduled for theatrical release on October 9, 2026 in the United States. The date was moved from an earlier May 8, 2026 slot.
Is Other Mommy out yet?
No. The film hasn't been released, and no footage or trailer is publicly available yet. Promotional materials are expected to arrive closer to the 2026 release window.
What is Other Mommy based on?
The film adapts Josh Malerman's 2024 novel Incidents Around the House. Malerman is known for atmospheric, unsettling fiction—this is his first work adapted for film.
Where will I be able to watch Other Mommy?
Streaming and platform availability haven't been confirmed yet. The film is being released theatrically by Universal Pictures. Movie OTT will update this information as distribution details are finalized.
Who's directing Other Mommy?
Rob Savage directs, with Nathan Elston adapting the screenplay. The film is produced by James Wan's Atomic Monster, Blumhouse Productions, and Spin a Black Yarn.
What to Anticipate
Other Mommy arrives in a landscape where supernatural horror is thriving—but also where audiences are increasingly skeptical of haunted-house tropes. The novel-to-screen adaptation, combined with Savage's track record and the Atomic Monster/Blumhouse machinery, suggests this won't be a by-the-numbers possession story. The October release slot also signals confidence; studios don't move films to the fall horror season without conviction. Keep an eye on Movie OTT for trailer drops and casting announcements as we move through 2025 and into 2026.