'Other Mommy' Preview
Universal Debuts 'Other Mommy' Horror Trailer, Jessica Chastain Stars, Release Set for October 2026
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Key Points
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Nathan Elston wrote the screenplay, adapting Josh Malerman's Incidents Around the House for the film.
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Rob Savage, known for Host, Dashcam and The Boogeyman, directs Other Mommy, continuing his involvement in high-profile horror.
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The film is based on a New York Times bestselling novel, Incidents Around the House, by Josh Malerman.
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The trailer is being shown exclusively in theaters ahead of Christopher Nolan’s The Odyssey as part of a special theatrical run.
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Other Mommy is scheduled to be released in theaters on October 9, 2026.
Universal Pictures and Blumhouse Atomic Monster have dropped the first trailer for Other Mommy, a supernatural horror film starring Jessica Chastain in a chilling dual role. AOL reports the film is set for a theatrical release on October 9, 2026.
Chastain plays both a young girl's real mother and a terrifying entity the child calls "Other Mommy." The trailer is currently playing exclusively in cinemas ahead of Christopher Nolan's The Odyssey, giving it a high-profile debut before wide release.
Jessica Chastain Takes On a Sinister Double Role
The film centers on a young girl named Bela, who is haunted by a dark presence in her home. That presence takes the shape of her own mother. Chastain plays both characters, making the threat deeply personal and unsettling. AOL describes her performance as "body-twisting" and terrifying.
The supporting cast includes Jay Duplass, Arabella Olivia Clark, Dichen Lachman, Arian Moayed, and Karen Allen, according to AOL. Horror producer James Wan oversees the project alongside Blumhouse Atomic Monster.
Rob Savage Adapts a New York Times Bestseller
Director Rob Savage is no stranger to high-profile horror. He previously directed Host, Dashcam, and The Boogeyman. For Other Mommy, he adapts Josh Malerman's novel Incidents Around the House, a New York Times bestseller. Nathan Elston wrote the screenplay, according to Newsy Today.
Malerman is best known for writing Bird Box, which became a massive Netflix hit. His work blends psychological dread with supernatural terror — a style that fits Savage's directing strengths, as noted by Newsy Today.
Trailer Debuts in Theaters Ahead of The Odyssey
Universal has chosen a bold rollout strategy for the trailer. Instead of a standard online debut, the studio placed it exclusively in cinemas ahead of Christopher Nolan's The Odyssey. Newsy Today confirmed the special theatrical-only run is already underway.
The move puts Other Mommy in front of a massive audience of Nolan fans — one of the most engaged moviegoing crowds. It signals Universal's confidence in the film as a major theatrical event this fall.
October 9 Release Slots Into a Crowded Horror Season
Other Mommy hits theaters on October 9, 2026 — right in the heart of horror season. Universal and Blumhouse are betting the film's star power and Malerman's source material will draw big crowds, according to Newsy Today.
With Chastain's Oscar-winning profile, Wan's producing track record, and Savage's rising status in horror, the film brings serious talent to a competitive fall lineup. xodivad called it a project that combines "supernatural thriller" elements with deep psychological horror.
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