Other Mommy

Other Mommy is an upcoming American supernatural horror film directed by Rob Savage and written by Nathan Elston. The film is based on the 2024 novel Incidents Around the House by Josh Malerman. It stars Jessica Chastain, Jay Duplass, Dichen Lachman, Sean Kaufman, and Karen Allen. James Wan serves as a producer through his Atomic Monster banner, alongside Blumhouse Productions and Spin a Black Yarn.
The film is scheduled to be released in the United States on October 9, 2026, by Universal Pictures.

Premise

A paranormal entity known as "Other Mommy" threatens a young girl and starts haunting her home.

In April 2025, it was announced that an adaptation of the novel Incidents Around the House was in development, with Rob Savage directing, Nathan Elston writing the screenplay, and Jessica Chastain starring in the lead role. In May, Jay Duplass joined the cast. Principal photography had begun on May 12, 2025, in Dublin, Ireland. Dichen Lachman joined the cast in the following month. In July, Arabella Olivia Clark, Sean Kaufman, Adam Silver, and Karen Allen were added to the cast with the film being retitled to ''Other Mommy.''

Other Mommy is scheduled to be released in the United States on October 9, 2026. The film was previously scheduled to release on May 8, 2026.