Other Mommy Review: Chastain's Double Act vs. Familiar Scares

This Other Mommy review starts with the film's best asset: a simple, creepy idea. Rob Savage directs a horror story about a lonely child and a presence that wears her mother's face. It is a tidy 93-minute chiller with a strong lead and a familiar shape.

Other Mommy Review: The Story So Far (No Spoilers)

The Other Mommy plot centers on Bela (Arabella Olivia Clark), a young girl growing up in a comfortable home. Her father, known as Daddo (Jay Duplass), handles much of the day-to-day parenting. Her mother is the family's busy breadwinner, and Bela often feels the gap.

Then Bela befriends something that lives in her house. It looks uncannily like her mom, but it is far more attentive. What begins as comfort slowly becomes something much more dangerous, and the film builds its dread from that shift.

The setup will remind many viewers of other haunted-house tales about children who see what adults cannot. One early difference is that the adults do not spend the film dismissing Bela. That choice keeps the pace moving and spares us a lot of frustrating disbelief.

What Works in Other Mommy

The central hook is the film's strongest card. A parent's double is an old fear, but pairing it with a child's need for attention gives it emotional weight. You understand why Bela is drawn in, even as you want to shout at the screen.

Savage knows how to stage a scare, and this is a solid entry among horror movie reviews for fans who like their frights atmospheric. Closets, dark doorways and quiet rooms do most of the work. The film trusts patience over noise.

The short runtime also helps. At 93 minutes, the story rarely overstays its welcome. Some viewers have called it spooky, well acted and well produced, and that matches the polished feel on screen.

Other Mommy Cast and Performances

The Other Mommy cast is led by Jessica Chastain, who plays both Mommy and Other Mommy. The role asks her to be warm and worn-down in one scene, then unsettling in the next. Her best moments come from tiny shifts in a smile or a stare.

Arabella Olivia Clark carries a great deal as Bela. A child lead can sink a horror film, but she keeps Bela believable and sympathetic. Jay Duplass brings gentle, lived-in warmth as Daddo.

The supporting cast includes:

• Karen Allen as Grandma Ruth

• Arian Moayed as Uncle Frank

• Dichen Lachman as Lois Anthony

These actors add texture, though the script gives them limited room to shape the story.

Where Other Mommy Stumbles

The biggest issue is familiarity. Viewers have compared the film to Poltergeist, and the beats of a haunted family home do feel well worn. The idea is sharp, but the execution rarely surprises.

The emotional theme of a neglected child is also handled in broad strokes. Bela's loneliness is clear, yet the script does not dig very deep into the family's secrets. Audience reactions are mixed, with a 5.8/10 score on TMDB from 181 votes, and that split feels fair.

Pacing can feel uneven as well. The middle stretch leans on repeated scare patterns, and some of the tension fades before the film moves on. A little more invention would have lifted the whole thing.

Is Other Mommy Worth Watching?

Yes, if you like modest, atmospheric horror and want to see Jessica Chastain play against herself. It is not a genre game-changer, but it is efficient, well acted and often creepy. Expect a decent night in, not a classic.

The film also keeps its focus on Bela's point of view, which gives the scares a human core. If you want something fresh and daring, you may find it too safe. If you want a compact, well-crafted shiver, it delivers.

The Other Mommy release date is 7 October 2026, so fans of the genre can mark it on the calendar. For similar fear-driven stories, browse more mystery movie reviews or see how another recent creature feature fared in our Clayface review.

Who Will Enjoy Other Mommy

• Horror fans who like haunted-house stories with a child at the center.

• Jessica Chastain admirers curious to see her in a dual role.

• Viewers who want a short, tidy scare film rather than a long, complicated one.