Other Mommy
Other Mommy positions a young girl, Bela, at the center of a chilling premise: she “forms a relationship with a sinister entity in her home who looks uncannily like her own mother.”
Other Mommy: story and trailer overview
The story
Other Mommy positions a young girl, Bela, at the center of a chilling premise: she “forms a relationship with a sinister entity in her home who looks uncannily like her own mother.” The trailer copy frames this as a psychological and supernatural threat to family safety, capped by the stark line “Your mommy won’t save you.” The film’s source material and production pedigree are emphasized, signaling a literary adaptation with genre ambitions.
Why it works
Marketing leans into maternal horror and identity dread, promising a duality embodied by a motherlike entity. The description highlights pedigree to heighten expectations—“From James Wan” and director Rob Savage—while underscoring the narrative hook that Bela’s bond is with something uncanny. Casting is used as selling points: “Academy Award® winner Jessica Chastain” in a dual role and an “impressive supporting cast” suggest star-driven tension around the central threat.
What to expect
Audiences can expect a horror film built around family and imitation, where the primary antagonist mimics a parent and upends the home. The film is presented as an adaptation—based on the novel Incidents Around the House—so viewers should anticipate a story grounded in a preexisting eerie concept and character-driven stakes.
Our take
A literary adaptation pitched as maternal horror with star power; it promises unnerving domestic dread centered on a child’s relationship with a sinister doppelgänger.
Oct 9, 2026 · Theaters
Source: Universal Pictures Last checked 2026-09-11. Dates are subject to change.