Other Mommy poster

In theatres

Other Mommy

Release date: 9 October 2026

EnglishHorror

Other Mommy releases in theatres on Friday, 9 October 2026, in 2 days. It is an English film.

Young Bela forms a relationship with a sinister entity in her home that looks uncannily like her own mother, drawing her into a terrifying and increasingly dark world.

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Audience anticipation9

Cast

Jessica Chastain
Ursula / Other Mommy
Arabella Olivia Clark
Bela
Jay Duplass
Daddo / Russ
Dichen Lachman
Arian Moayed
Uncle Frank
Karen Allen
Grandma Ruth
Sean Kaufman
Adam Silver

Cast and portraits from TMDB.

Watch the trailer

15 Sept 2026

21 Jul 2026

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Latest Other Mommy news

4 stories

Jessica Chastain in a tense scene from 'Other Mommy', standing in a dimly lit hallway, looking over her shoulder.

Jessica Chastain Explains Title Choice for Horror Film Other Mommy

Jessica Chastain’s new horror film Other Mommy hits theatres this Friday — and the title is already sparking debate. Not because of the movie’s plot, but because of a single word: why ‘Mommy’ instead of ‘Mother’?

10 hours ago1 min

Arabella Olivia Clark in a haunting pose, eyes wide, standing in front of a darkened closet

Arabella Olivia Clark’s Unicorn Role Is Finally Here: 'Other Mommy' Hits Theatres October 9

The film, directed by Rob Savage and based on Josh Malerman’s novel Incidents Around the House, is being released theatrically under the Blumhouse and Atomic Monster banner, with James Wan producing. Rob Savage, known for films including Host and The Boogeyman, directs a screenplay by Nathan Elston, based on Malerman’s bestselling novel Incidents Around the House. The book itself is told from Bela

12 hours ago1 min

Jessica Chastain in a haunting pose, half-smiling, eyes sharp.

Regional Cinema

Jessica Chastain’s Other Mommy Is Meant To Be Unseen

Rob Savage’s Other Mommy is a horror where Jessica Chastain’s character remains unseen in full. The entity behind the smile is meant to be felt, not seen. The film opens October 9.

20 hours ago1 min

Split promotional imagery of Jessica Chastain in Other Mommy and Josh Hartnett in the Netflix series Below

Josh Hartnett Hunts Sea Monsters As Jessica Chastain Returns To Horror

Jessica Chastain plays a mother and the thing that replaces her in Other Mommy, Josh Hartnett battles a sea creature in Netflix's Below, and Mike Flanagan has two different horror projects landing in October 2026.