A movie preview doing its job is one thing. A preview making audiences gasp, scream, and nervously laugh inside packed theaters is something else entirely.
That is exactly what happened when Universal dropped the first official Other Mommy trailer in front of theatrical screenings for Christopher Nolan’s The Odyssey. Starring Jessica Chastain in a terrifying dual role, the upcoming supernatural horror project has quickly turned into one of the internet’s favorite topics this week.
While the creepy plot alone is enough to turn heads, it is the surprised reactions from audience online—and people sharing their genuine theater jump scares—that have propelled this preview into the spotlight.
The Other Mommy Trailer Scene That Is Freaking Theater Audiences Out
Although horror veterans love to brag about how hard they are to scare, plenty of moviegoers on Reddit and social media admitted one specific moment in the Other Mommy trailer caught them completely off guard.
The story follows eight-year-old Bela (Arabella Olivia Clark), a young girl caught in the middle of her parents’ rocky marriage, who forms a relationship with an entity stepping out of her bedroom closet. The entity looks like her mother, calls itself “Other Mommy,” and repeatedly asks one unsettling question: “Can I go inside your heart?”
The scene generating the most discussion begins innocently enough. Bela sneaks ice cream in the kitchen before her mother (played by Chastain) catches her. But as their conversation unfolds, “Mommy” starts asking deeply unnatural questions.
Before the audience can catch their breath, the sequence devolves into distorted body language, creepy J-horror-inspired angles, and a sudden, bone-chilling jump scare involving something lurking low near the floor.
People who caught the preview attached to The Odyssey reported hearing collective gasps, quick screams, and nervously holding their breath. For a two-minute clip, leaving that kind of mark on an unsuspecting crowd is precisely what director Rob Savage (Host, The Boogeyman) and producer James Wan (The Conjuring, M3GAN) were aiming for.
Jessica Chastain in Other Mommy: Double the Roles, Double the Internet Jokes
Jessica Chastain diving back into horror is not a shocker. She previously proved her genre credentials in Take Shelter, Mama, Crimson Peak, and It Chapter Two. However, seeing her lead the Other Mommy cast in a dual performance—playing both the real mother, Ursula, and her twisted, malevolent clone—has sparked plenty of funny internet commentary.
One joke in particular quickly became one of the thread’s biggest running gags. After remembering Chastain’s role in the 2013 horror film Mama, Reddit users imagined she was accidentally creating a full-blown “Mommy Cinematic Universe.”
The jokes didn’t stop there. Replies ranging from “2 Mommy 2 Furious” to “Mommy 3: Tokyo Drift” quickly turned the thread into a stream of fake sequel ideas, proving that horror fans can find humor even in the creepiest trailers.
The discussion wasn’t entirely about jokes, though. Another recurring topic saw viewers doing a double take after mistaking Jessica Chastain for Bryce Dallas Howard in the trailer and promotional material.
Several commenters blamed the hairstyle, while others admitted they genuinely thought Howard had been cast before realizing it was Chastain.
Beyond the memes, the supporting cast brings serious weight to the table. Jay Duplass plays Bela’s overwhelmed father, Russ (who the entity creepily calls “Daddo”), alongside performances from Arian Moayed (Succession), Dichen Lachman (Severance), and screen icon Karen Allen (Indiana Jones).
From Incidents Around the House to Other Mommy: Book Fans Weigh In
Apart from the viral memes and theater jump scares, there is genuine anticipation from horror literature fans who recognized the source material immediately.
The film is adapted from author Josh Malerman’s bestselling 2024 novel, Incidents Around the House. Readers who loved the book’s claustrophobic, child-perspective narrative were quick to point out how well the premise translates to a live-action setting.
While a few book loyalists initially complained about changing Malerman’s original title, most agreed that “Other Mommy” rolls off the tongue easier for mainstream moviegoers.
More importantly, readers noted that the book contained two or three haunting, skin-crawling moments—and the Other Mommy trailer seems to have captured those exact beats with impressive accuracy.
Why The Other Mommy Trailer Works Without Relying on Gore
One common theme echoed across almost every discussion thread: people aren’t talking about this movie because it’s drenched in blood or cheap gore.
They are talking about it because it feels genuinely unsettling.
The trailer spends more time making viewers wonder what’s standing in the doorway than showing graphic violence. Even simple moments inside an ordinary kitchen begin to feel threatening.
By hiding the true nature of the entity rather than laying out the entire plot in two minutes, the studio created a preview that leaves viewers asking questions instead of giving everything away before opening night.
A Strong Start Before the October Release
Online hype never guarantees a massive box office run. Social media buzz is only one piece of the puzzle, and plenty of horror films that blew up on X or Reddit have sputtered once they actually hit theaters.
Still, the early response proves this marketing push achieved its primary goal: getting people to pay attention.
Between the book fans eager to see Josh Malerman’s story on the big screen, film buffs excited to watch Jessica Chastain tackle a double role, and curious moviegoers who just want to experience the scary scene everyone is talking about, momentum is clearly building.
Universal and Blumhouse-Atomic Monster have scheduled the film for an October 9 theatrical release, positioning it right in the middle of the Halloween horror season. If this first Other Mommy trailer is any indicator of what director Rob Savage has cooked up, audiences are in for a seriously uncomfortable ride when the lights go down.