Overview

• Sean Kaufman and Adam Silver have been added to the ensemble of Other Mommy alongside Arabella Olivia Clark, Jessica Chastain, Jay Duplass and Dichen Lachman.
• The supernatural horror is directed by Rob Savage and adapts Josh Malerman’s novel Incidents Around the House.
• The film follows eight-year-old Bela as she confronts the malevolent presence she dubs “Other Mommy” within her family’s home.
• The production is backed by the first-look deal Atomic Monster secured through its 2024 merger with Blumhouse.
• Other Mommy is scheduled to open in theaters on May 8, 2026.