Name: Other Mommy
Genre: Horror
Released: 2026-10-07
Cast: Jessica Chastain, Jay Duplass, Arabella Olivia Clark, Karen Allen, Arian Moayed

About the 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.

The distributor’s synopsis; our own follows with the review.

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Fi1m review

Coming soon. Our review of Other Mommy will be published shortly before it opens in the Netherlands on 29 October 2026, once the press has seen it and there is something to weigh it against.

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Cast

Arabella Olivia Clark

Bela

Adam Silver

Brian

21cast+ 95 crew

Full cast & crew

Everyone credited

Ursula (Jessica Chastain) grips a kitchen knife as a man turns away in the house

Ursula (Jessica Chastain), Daddo and Bela sit around a table with a candle

Ursula Martin (Jessica Chastain) stands with outstretched arms in a blue-lit doorway

A young girl crouches beneath a table, mouth open beneath dangling knives

Ursula (Jessica Chastain) cups Bela’s face in a room

Russell Martin and Bela watch as Ursula holds a tool across a table of scattered tools

Other Mommy

About the film

Fi1m review

Cast

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