Jessica Chastain is set to captivate audiences once more as she ventures into the horror genre with her latest film, *Other Mommy*. The movie, which is produced by Universal Pictures and Blumhouse Productions, is slated for release in theatres on October 9. Chastain plays a dual role, demonstrating her versatility as an actress in a story that promises to blend familial affection with spine-chilling suspense.
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In *Other Mommy*, Chastain portrays Ursula, the mother of a young girl named Bela, played by Arabella Olivia Clark. However, the narrative takes a dark turn as a supernatural being invades their home, adopting the appearance of Ursula. This entity, referred to as “Other Mommy” by Bela, introduces an unsettling dynamic into the household, hinting at themes of identity and familial ties twisted by horror.
The film’s recently released trailer offers a glimpse into the unnerving atmosphere crafted by director Rob Savage. In a chilling scene, the “Other Mommy” prepares dinner for Bela, despite the child’s warning that this doppelgänger is not permitted to leave her room. The tension escalates when Ursula’s husband, played by Jay Duplass, discovers the eerie figure crouched underneath the kitchen table, contorted like a spider. The trailer adeptly sets the stage for what seems to be a striking tale that blends the sweet innocence of childhood with the terror of the unknown.
*Other Mommy* is described in its official synopsis as “a terrifying trip into the darkening world of a young girl, Bela, who forms a relationship with a sinister entity in her home that looks uncannily like her own mother.” This premise taps into primal fears and explores the themes of what it means to feel threatened by one’s own likeness. Chastain’s return to horror may strike a chord with fans, given her previous performances in notable films such as *Mama* and *It: Chapter Two*.
Director Rob Savage, who gained attention for his 2023 release *The Boogeyman*, has taken on this intriguing adaptation of the novel *Incidents Around the House*, which was published in 2025. With Chastain’s star power and Savage’s vision, *Other Mommy* is generating buzz ahead of its premiere, raising expectations for a fresh take on the horror narrative.
The supporting cast is equally impressive, featuring talented actors such as Dichen Lachman, Arian Moayed, and Karen Allen. This ensemble promises to deliver strong performances that complement Chastain’s compelling dual roles, adding depth to the chilling narrative.
Chastain’s career has seen a remarkable evolution, particularly after she won an Academy Award for her role in *The Eyes of Tammy Faye*. Since then, she has predominantly appeared in dramatic films and series like *The Good Nurse*, *George & Tammy*, *Memory*, and *Mothers’ Instinct*. However, her return to the horror genre in *Other Mommy* indicates a willingness to explore complex, nuanced roles that stretch beyond her established repertoire.
In addition to *Other Mommy*, Chastain has several other projects lined up. Rumours suggest that her Apple TV series *The Savant* will finally premiere this month after facing delays since September 2025. However, as of now, there have been no definitive updates regarding its release.
As the countdown to its theatrical release continues, *Other Mommy* promises to be a fascinating exploration of parental bonds twisted by terror, showcasing Chastain’s ability to embody both warmth and horror. Audiences will have the opportunity to experience the film’s chilling narrative and striking performances when it hits cinemas nationwide on October 9. For those seeking a blend of heart and fear, this film may be the perfect addition to the horror genre.
As excitement builds around *Other Mommy*, fans are undoubtedly keen to see how this unique story unfolds, intertwining familial love with the encroaching dread of an ominous entity.