Jessica Chastain takes on a chilling double role in the horror film “Other Mommy,” which was released in UK cinemas on 9 October. In this unsettling tale, she portrays both a mother named Ursula and a sinister entity that adopts her likeness, aptly dubbed “Other Mommy.” The film is adapted from Josh Malerman’s novel “Incidents Around the House” and delves into the darker aspects of motherhood while blending supernatural horrors with human emotion.
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Set against a backdrop of familial tension, the plot revolves around seven-year-old Bela, played by Arabella Olivia Clark. Directed with a focus on horror intertwined with psychological themes, “Other Mommy” explores the fear and complexity of parental relationships. The story is driven by the malevolent creature’s intent to possess Bela’s body, raising questions about trust, love, and the invasive nature of undesirable influences.

Chastain, known for her versatility, commented on the project in a recent interview, highlighting its female-centric narrative. “It’s very female-forward, this movie,” she remarked, suggesting that it challenges conventional expectations of motherhood and female gratitude. The film aims to portray the internal struggles women face, particularly in their roles as mothers, while also maintaining a gripping suspense throughout.
The narrative begins with Other Mommy lurking in the darker corners of Bela’s closet, presenting herself as a comforting figure in stark contrast to Ursula, who is often absent due to her work commitments and personal entanglements with a family friend. Other Mommy cleverly assures Bela of unyielding love and protection, coining the phrase “let me into your heart” as a euphemism for the sinister possession she seeks. This relationship encapsulates the film’s exploration of vulnerability and manipulation.
As the story unfolds, Bela’s perception evolves, enabling her to see her parents’ flaws. This awareness becomes a pivotal element in her survival against the menacing entity. Rather than succumb to Other Mommy’s charms, Bela evolves and learns to navigate her reality, which includes acknowledging her mother’s imperfections. This realisation becomes a core theme, setting the stage for the film’s resolution.
The climax of the film draws viewers into a tense showdown as Bela ultimately rejects Other Mommy’s enticements. The defeat of the evil entity offers a semblance of relief, but it is not without its complications. In a family scene where Bela and her father, played by Jay Duplass, share laughter, Ursula’s disappointment reveals that not all is well. Her struggles with motherhood and her relationship remain unresolved, hinting at deeper emotional turmoil that transcends the horror narrative.
In an unexpected twist, the film teases the lingering presence of Other Mommy even after the climactic confrontation. Following the credits, the entity makes a brief but haunting return, shushing the audience and leaving viewers with a sense of unease. This implies that the threat may not be entirely vanquished, a chilling conclusion that resonates with those familiar with horror conventions.
Interestingly, the film’s finale diverges significantly from the book’s conclusion. While the film shows Bela successfully resisting Other Mommy’s advances, the novel presents a far darker scenario. In Malerman’s original work, Bela ultimately allows the entity to inhabit her body, leading to a tragic and haunting outcome. This departure may leave audiences contemplating the implications of choice and vulnerability in the context of familial love and protection.
As “Other Mommy” draws attention in theatres, it has revitalised discussions on the complexities of modern motherhood within the horror genre. The film stands as a testament to Chastain’s ability to tackle challenging roles while engaging with significant themes that resonate beyond mere entertainment. With its blend of psychological depth and supernatural frights, “Other Mommy” is set to leave audiences both terrified and contemplative, reinforcing the notion that horror can provoke deeper reflections on parenthood and personal identity.
