Jessica Chastain's 'Other Mommy' Trailer Released, Features Sinister Entity

A new trailer has been released for the upcoming horror film 'Other Mommy,' starring Jessica Chastain. The film, directed by Rob Savage, is set to premiere in theaters on October 9, 2026.

The plot centers on Bela, an eight-year-old girl who is experiencing marital issues within her home. Her life takes a terrifying turn when a sinister entity, which she calls "Other Mommy," emerges from her closet. This presence becomes increasingly threatening to Bela and her family.

In addition to Chastain, the film also features Arabella Olivia Clark and Dichen Lachman in its cast. The first trailer for 'Other Mommy' was released in July, generating significant online attention for its frightening content. The newly released preview continues to build suspense, with one YouTube commenter describing it as "terrifying."

Another viewer noted Chastain's contribution, stating, "Jessica Chastain always brings that beautifully creepy, brilliant energy." The marketing for the film has been praised for its effectiveness in conveying the horror elements.