Summary (tl;dr)

The official trailer for "Other Mommy," a new supernatural psychological horror film starring Academy Award winner Jessica Chastain, has been released, generating significant buzz among moviegoers. The film, which features Chastain in dual roles, is set to hit theaters on October 9, 2026.

Essential Background

"Other Mommy" is an adaptation of Josh Malerman's 2024 New York Times bestselling novel, "Incidents Around the House." Jessica Chastain, known for her diverse roles and previous work in horror films like "Mama" and "It Chapter Two," returns to the genre in this highly anticipated project. The film is directed by Rob Savage, known for his work on "Host" and "The Boogeyman," and produced by horror icon James Wan's Blumhouse Atomic Monster.

The Full Story

The trailer for "Other Mommy" was officially released on July 21, 2026, quickly becoming a trending topic in entertainment. Many viewers first encountered the terrifying preview in movie theaters, where it was shown exclusively ahead of Christopher Nolan's film, "The Odyssey," causing a notable reaction among audiences. The film centers on an eight-year-old girl named Bela who forms a disturbing bond with a sinister entity in her home that uncannily resembles her own mother, played by Jessica Chastain. Chastain portrays both Bela's mother and the titular "Other Mommy," a manifestation of the entity. The movie is scheduled for a theatrical release in the United States on October 9, 2026, distributed by Universal Pictures.

Why It Matters

The trend highlights significant interest in a new horror entry, particularly one featuring a renowned actress like Jessica Chastain in a challenging dual role. The film's psychological horror elements and its origin from a bestselling novel, combined with the involvement of acclaimed horror producers and director, suggest it could be a major event in the upcoming horror season. The intense audience reactions to the trailer underscore the film's potential to deliver a genuinely frightening and engaging cinematic experience.

Geographic Location

• Dublin, Ireland (principal photography of "Other Mommy")
• Universal City, Los Angeles County, California, United States (headquarters of Universal Pictures, distributor of "Other Mommy")