‘Other Mommy’: Five Biggest Changes From the Book, Including a Crazy Death Scene and a Much Darker Ending — SkimNews
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- "Other Mommy" is based on Josh Malerman's 2024 novel "Incidents Around the House," with the film substantially softening the source's bleakness across plot, character fates, and the demon's design.
- The demon appears more human-like in the film, whereas in the book it is described as more avian, with unsteady facial features, a putrid smell, and an essence that makes onlookers cough.
- The séance scene is elevated in the film to a fatal encounter where a ghost-hunting squad is killed by Other Mommy; in the book, fake spiritualists simply admit they are in over their heads.
- A key setpiece is relocated from a playground (where Bela suffers a big fall in the book) to a Chuck E. Cheese-like restaurant, where the film pulls Bela into an endless ball pit and transports her through the sea into her family's sedan.
- Frank's death is a film-invented gore setpiece: Other Mommy manipulates young Bela into agreeing the family would be better without him, then blows his head off in front of her; in the book, Ursula merely announces Frank was found dead in a closet.
- The ending diverges sharply: the film has Bela defeat Other Mommy by refusing to let it into her heart and the family survives intact, whereas the book reveals Grandma Ruth as the demon, kills Russell and Ursula, and leaves Bela possessed and trapped in the demon's purgatory.
- The box office tracks a $27.5M debut weekend (per Deadline's update), leading the weekend despite 'less-than-enthusiastic reviews' and crediting a viral trailer for audience turnout.
Why it matters: For fans deciding between book and film, the takeaway is clear: the movie trades Malerman's downbeat, body-possessing conclusion — where Bela ends up trapped in purgatory alone — for a family-survives ending and a handful of original setpieces designed for scares and trailers. With the film pulling a projected $27.5M opening despite mixed reviews, that compromise is what's actually selling tickets, and the novel remains the version for readers who want the bleaker, more avian, more putrid ending.
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