Universal has dropped a terrifying trailer for new movie Other Mommy — and I can't wait for Jessica Chastain's return to horror

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She's joined by a Severance star, too

Jessica Chastain in Other Mommy, with a creepy smile and tears spilling down her eyes
(Image credit: Universal Pictures)
  • Other Mommy has a first-look trailer which gives us a glimpse at Jessica Chastain's return to horror
  • The movie will arrive in theaters on October 9, 2026
  • Rob Savage, the director of Zoom horror sensation Host, is behind the terrifying new movie

2026 has been a bumper year for horror, and it's about to get even bigger when one of my anticipated new movies Other Mommy arrives in theaters on October 9.

Other Mommy follows Bela, a young girl, who gets mixed up with a mysterious force in her house that resembles her mother. Here, Jessica Chastain takes on a dual role as Bela’s mother and as “Other Mommy,” the supernatural entity that's haunting the place.

I'm already excited for this movie because it's got a stellar team behind it. Chastain stars alongside Severance's Dichen Lachman and it's directed by Rob Savage, who you may know for directing the Zoom horror movie Host.

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If you're not convinced yet, check out the first look trailer for Other Mommy below.

Other Mommy | Official Trailer - YouTube Other Mommy | Official Trailer - YouTube
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I'm very excited for Other Mommy because recent box office figures have shown that audiences love original horror which spins a unique tale of terror, instead of more reboots or remakes.

In the cover image for Other Mommy's trailer we can see recent horror hits Obsession and Backrooms referenced. It's clear just how influential they have been in championing this new wave of horror stories.

This is also a huge return to the genre for actor Jessica Chastain, after she appeared in IT: Chapter Two in 2019. It's great to see her back taking on a creepy new role, requiring her to play two versions of the same character.

Other Mommy has the potential to be a great horror and I really hope it delivers. We have a long wait for it to arrive in theaters but don't worry, I've got a list of 7 new horror movies to stream in July to keep you entertained until then.

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Lucy Buglass
Lucy Buglass
Senior Entertainment Writer

Lucy is a long-time movie and television lover who is an approved critic on Rotten Tomatoes. She has written several reviews in her time, starting with a small self-ran blog called Lucy Goes to Hollywood before moving onto bigger websites such as What's on TV and What to Watch, with TechRadar being her most recent venture. Her interests primarily lie within horror and thriller, loving nothing more than a chilling story that keeps her thinking moments after the credits have rolled. Many of these creepy tales can be found on the streaming services she covers regularly.

When she’s not scaring herself half to death with the various shows and movies she watches, she likes to unwind by playing video games on Easy Mode and has no shame in admitting she’s terrible at them. She also quotes The Simpsons religiously and has a Blinky the Fish tattoo, solidifying her position as a complete nerd. 

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