Everything we know about Other Mommy
Other Mommy is a horror film from Rob Savage, produced by Blumhouse Productions. Other Mommy releases on October 7, 2026 on Theaters. It stars Jessica Chastain, Arabella Olivia Clark, Jay Duplass, Dichen Lachman.
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.
Watch the Other Mommy trailer
Key details
| Type | Movie · Horror |
| Release date | October 7, 2026 (Confirmed) |
| Where to watch | Theaters |
| Director | Rob Savage |
| Studio | Blumhouse Productions |
| Runtime | 93 min |
| Status | Released |
| Language | EN |
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
Carrie Dimaculangan
Callie 
Travis Nelson
Tony 
Hayley Spelman
Other Mommy 
Alec Secu0103reanu
Frequently asked questions
When does Other Mommy come out?
Other Mommy releases on October 7, 2026 on Theaters.
Where can I watch Other Mommy?
Other Mommy is set to stream on Theaters. Availability can vary by region — check the platform for your country.
Who is in the cast of Other Mommy?
Other Mommy stars Jessica Chastain, Arabella Olivia Clark, Jay Duplass, Dichen Lachman, Arian Moayed.
Is there a trailer for Other Mommy?
Yes — the official trailer for Other Mommy is available to watch on this page.
Release dates and streaming availability change. We source them from official announcements and TMDB and mark each as confirmed, rumored or TBA — always confirm on the platform before planning. NewsGiga links only to legitimate streaming services and never hosts or links to pirated content.