Other Mommy Projected to Open Between $28.5M and $35M
Box Office Theory forecasts a strong domestic debut for Blumhouse and Atomic Monster's horror film starring Jessica Chastain, due in theaters October 9, 2026.
Other Mommy is projected to open between $28.5 million and $35 million domestically, according to Box Office Theory. The horror film is directed by Rob Savage and stars Jessica Chastain.
Blumhouse and Atomic Monster are producing the movie, which is scheduled to hit theaters on October 9, 2026. The cast also includes Jay Duplass and Dichen Lachman, and the plot centers on a girl named Bela who forms a relationship with a sinister entity resembling her mother.
Rob Savage previously directed the pandemic-era horror movie Host, which became a word-of-mouth sensation. His 2023 film The Boogeyman grossed $82 million worldwide.
Comparable Openings
For context, A24's Backrooms opened with $81.4 million and grossed $400 million worldwide, while 28 Years Later opened with $30 million and grossed $151 million worldwide. Obsession passed $500 million worldwide after a $17.1 million opening, and It: Chapter Two grossed $473 million globally.
Jessica Chastain has also starred in Mama and Crimson Peak.
Quick answers
When is Other Mommy released in theaters?
Other Mommy is scheduled to hit theaters on October 9, 2026.
Who directed and stars in Other Mommy?
Rob Savage directed the film, which stars Jessica Chastain alongside Jay Duplass and Dichen Lachman.