Jessica Chastain is returning to the horror genre with Other Mommy, and the film’s newly released trailer offers a disturbing glimpse into a supernatural tale centred on a young girl haunted by an entity that looks exactly like her mother.

The upcoming horror film is set to arrive in theatres on October 9 and is directed by Rob Savage.

Jessica Chastain plays two unsettling roles

The trailer introduces Chastain as Ursula, the loving mother of a young girl named Bela, played by Arabella Olivia Clark. However, Ursula is not the only version of herself in the house. A sinister figure known as “Other Mommy” appears, taking on the mother’s exact appearance while displaying increasingly disturbing behaviour.

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Bela insists the mysterious woman is friendly, despite her unsettling actions. The trailer features eerie moments, including the entity preparing food in the kitchen and later contorting her body into unnatural, spider-like positions beneath a table, horrifying Bela’s father, played by Jay Duplass.

A psychological horror rooted in family fears

The movie describes a story of a young girl, named Bela, who forms a connection with a sinister presence living inside her home. The creature bears an uncanny resemblance to her mother, creating a tense psychological battle between trust and fear.

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The film is based on Josh Malerman’s novel “Incidents Around the House”, which has earned praise among horror readers for its unsettling atmosphere. Director Rob Savage, known for Host and The Boogeyman, brings the adaptation to the big screen with production backing from Blumhouse and Universal Pictures.

Chastain returns to horror after dramatic roles

Although Chastain has appeared in horror films such as Mama and It: Chapter Two, her recent work has largely focused on drama, including The Good Nurse, George & Tammy, Memory and Dreams. Other Mommy marks her return to the genre, with the Academy Award winner taking on one of her most physically demanding performances.

The supporting cast includes Dichen Lachman, Arian Moayed and Karen Allen. Early reactions to the trailer from horror fans have praised its creepy visuals and unsettling tone ahead of the film’s theatrical release.

FAQs

What is Other Mommy about?

    Other Mommy follows a young girl haunted by a sinister supernatural entity that looks exactly like her mother, blurring the line between trust and terror.

    When will Other Mommy be released?

      The horror film is scheduled to release in theatres on October 9.