Jessica Chastain Leads the Cast: The Oscar-winning actress stars as the malevolent mother, marking her first proper horror role since *It: Chapter Two* (2019). This return to the genre has generated significant buzz among horror fans.\n\n- **Based on a Bestselling Novel**: The film adapts Josh Malerman's novel *Incidents Around the House* — the same author behind *Bird Box*, proving his continued mastery of psychological horror.\n\n- **A-List Creative Team**: Horror powerhouses **Atomic Monster** and **Blumhouse** produce the film, with *Saw* and *The Conjuring* franchise architect **James Wan** producing. The screenplay comes from *Succession* writer Nathan Elston.\n\n- **Supporting Cast of Note**: Jay Duplass (*Transparent*, *Industry*), Arabella Olivia Clark (*The Housemaid*), Dichen Lachman (*Severance*), Arian Moayed (*Succession*), and screen legend Karen Allen (*Indiana Jones* films) round out the talented ensemble.\n\n- **Why This Matters**: Horror adaptations of acclaimed literary works continue to dominate box offices, and the combination of Malerman's source material, Savage's innovative directing, and Chastain's acting prowess makes *Other Mommy* one of the most anticipated horror releases of 2026.
Director Rob Savage built his reputation in the horror genre with the Zoom-based hit *Host* (2020) and the Stephen King adaptation *The Boogeyman* (2023). His ability to create tension in confined spaces makes him an ideal choice for this domestic horror tale about an entity infiltrating a family home.
The screenplay, written by Nathan Elston (*Succession*), promises sharp, character-driven dialogue wrapped in a terrifying narrative. With James Wan — the mastermind behind *The Conjuring* universe and *Saw* — producing through Atomic Monster alongside Blumhouse (the studio behind *Get Out*, *The Invisible Man*, and *Five Nights at Freddy's*), the film carries heavyweight genre credibility.
Chastain's last major horror outing was in 2019's *It: Chapter Two*, where she portrayed the adult Beverly Marsh. Since then, she has earned multiple accolades including an Academy Award for *The Eyes of Tammy Faye* (2021). Her return to the genre signals not only her versatility but also the growing appeal of prestige horror for A-list actors.
Josh Malerman's *Incidents Around the House* continues the author's tradition of blending domestic settings with cosmic terror — similar to what made *Bird Box* a global phenomenon. The story's focus on a child's perspective, where the entity appears as the mother, adds a deeply unsettling psychological layer.
Scheduled for October 9, 2026, the release lands perfectly in the heart of the Halloween season, positioning *Other Mommy* as a prime candidate for fall's biggest horror hit.
When does 'Other Mommy' release in theaters?\n A: Universal Pictures has scheduled the theatrical release for October 9, 2026.\n\n- Q: What is 'Other Mommy' based on?\n A: The film is an adaptation of Josh Malerman's novel *Incidents Around the House*, published in 2023. Malerman is also the author of *Bird Box*.\n\n- Q: Who directed 'Other Mommy'?\n A: Rob Savage, known for directing *Host* (2020) and *The Boogeyman* (2023), directed the film.\n\n- Q: Is this Jessica Chastain's first horror movie?\n A: No. She previously starred as adult Beverly Marsh in *It: Chapter Two* (2019) and has appeared in other genre-adjacent roles, but this is her first leading horror role since then.\n\n- Q: Which production companies are behind 'Other Mommy'?\n A: Atomic Monster (James Wan's company) and Blumhouse Productions** are producing, with Universal Pictures distributing.
For Horror Fans: Mark your calendars for **October 9, 2026**. This film brings together the best of modern horror talent — from award-winning actors to visionary directors and proven production studios.\n\n- **For Book Lovers**: If you haven't read *Incidents Around the House* by Josh Malerman, consider picking it up before the movie to experience the source material firsthand.\n\n- **For Fans of Psychological Horror**: The premise — a child forming a relationship with an entity that looks like her mother — promises the kind of unsettling, atmospheric terror that defines the best of the genre.\n\n- **For Those New to Horror**: *Other Mommy* may be an accessible entry point given its literary roots, award-winning cast, and the strong track record of its producing studios.
Are you excited to see Jessica Chastain back in horror? Do you think Rob Savage can deliver another genre-defining hit with *Other Mommy*? Share your thoughts in the comments below!
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