Universal Pictures has pushed back the release of Other Mommy , its horror film from Atomic Monster , based on the novel Incidents Around the House by Josh Malerman ( Bird Box ).

Previously set for May 8, 2026, the film now is poised to open wide on October 9, 2026. In its move to fall, the film will open against The Legend of Aang: The Last Airbender from Paramount.

Other Mommy is described as a supernatural trip into the darkening world of a young girl as her family, and their home, are haunted by a sinister entity that is determined to take up residence inside her. But first, it needs to persuade her to let it in…

The cast includes Oscar winner Jessica Chastain ( It Chapter Two ), Jay Duplass ( Transparent ), Arabella Olivia Clark ( Springsteen: Deliver Me From Now

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