"Other Mommy" Movie News: V/H/S/Past Update

'Other Mommy' Trailer Unleashes Jessica Chastain in a Body-Twisting Horror Return

USA Film News - July 21, 2026 - The first trailer for the upcoming horror film Other Mommy has arrived, offering a chilling glimpse of Jessica Chastain’s return to the genre as a dual role that bends both reality and anatomy. Directed by Rob Savage, known for his fresh takes on supernatural dread, the movie is set to haunt theaters on October 8, 2026.

The trailer opens on a seemingly ordinary family home, but the serenity quickly fractures. Chastain plays Ursula, a mother whose life is upended when a sinister presence targets her young daughter, Bela, played by Arabella Olivia Clark. This entity, ominously dubbed “Other Mommy,” is determined to physically inhabit the girl-but only if Bela willingly grants it entry. The problem? Other Mommy looks exactly like Ursula, yet moves with an unnatural, contorting grace. In one jarring sequence, the doppelganger twists her limbs in ways that defy human anatomy, making every step feel like a violation of physics and maternal love.

Savage, who previously terrified audiences with Dashcam and Host, appears to be leaning into a claustrophobic, psychological horror that blends family dysfunction with supernatural invasion. The trailer emphasizes the child’s perspective, showing Bela’s terror as she sees a mirror image of her mother whispering from dark corners, offering toys and comfort in exchange for a chance to “come inside.” The film’s official synopsis confirms the stakes: a young girl, her family, and their home are haunted by an entity that wants to take up residence within her. Consent is the key-and that makes every interaction with Other Mommy a terrifying negotiation.

A Stellar Cast Backs the Horror

Chastain’s return to horror is a major draw. The two-time Oscar winner previously anchored Mama and The Disappointments Room, but Other Mommy demands she play two distinct, warped versions of the same person. Her portrayal of Other Mommy is particularly unsettling: the mannerisms are off, the smile doesn’t reach the eyes, and her voice drops into a hollow singsong that feels both childish and predatory. Jay Duplass co-stars as Russ, also credited as “Daddo,” suggesting the entity may also infiltrate or mirror the father figure. The film also features Dichen Lachman, Arian Moayed, Karen Allen, Sean Kaufman, and Adam Silver in supporting roles, promising a rich ensemble to endure the haunting.

Arabella Olivia Clark, the young actress playing Bela, carries much of the emotional weight in the trailer. Her wide-eyed stillness and whispered lines-like “She’s not Mama, she’s something else”-sell the slow-burn dread effectively. Savage seems to trust his child performer to anchor the story, a risky but often rewarding choice in elevated horror.

What the Trailer Reveals About the Plot

The teaser doesn’t give away the entire story, but it establishes a clear visual language. The home is shot in muted, sickly tones-beige walls, dim hallways, and rooms that feel too large for their furniture. This emptiness amplifies the loneliness Bela must feel as her family remains oblivious or powerless. One shot shows Ursula herself screaming at a mirror, only for her reflection to freeze and smile back in a silent, knowing taunt. This suggests the haunting may be a virus of perception, where loved ones cannot be trusted.

The body-twisting element is the trailer’s most memorable hook. Other Mommy doesn’t just walk; she jerks, her spine bending sideways as if pulled by invisible strings. In one sequence, she crawls across the ceiling, her limbs rotating unnaturally, while Ursula stands below, helpless. This physical grotesquery implies that Other Mommy is not merely a ghost but something that wants to replace Ursula entirely-to become the mother. The title Other Mommy thus carries double meaning: the alternative mother who wants power, and the distortion of the one Bela already loves.

The film’s release date of October 8 places it perfectly for the Halloween season, pitting it against other autumn horror releases but giving it a distinct identity. Savage’s track record with streaming-friendly, high-concept scare flicks suggests Other Mommy could become a word-of-mouth hit, especially if its doppelganger concept resonates with audiences tired of standard possession narratives.

As of now, the film’s runtime remains unknown, and no critical score has been published on TMDb. However, the trailer has generated buzz for its visual inventiveness and Chastain’s committed dual performance. Horror fans watching closely noted that the entity’s design-a perfect copy with slight, wrong details-echoes the uncanny valley effect that made films like The Brood and The Others so effective. Savage appears to be aiming for that same psychological unease, but with contemporary flair.

With Other Mommy, Jessica Chastain proves she’s willing to get uncomfortable again. The trailer promises a story about a mother’s love twisted into a weapon, a child’s trust as a battleground, and a house that holds secrets with walls that seem to breathe. Whether the full film delivers on this promise remains to be seen, but the early footage suggests that when Other Mommy asks Bela to let her in, the audience will be holding its breath.

Source: The Hollywood Reporter