Jessica Chastain has left an indelible mark on horror audiences with movies like Mama (2013), Crimson Peak (2015), and IT: Chapter Two (2019). Viewers got a taste of her next thrilling genre offering with the intense trailer for Other Mommy. Rob Savage, who made a splash with his computer-screen horror film Host (2020), directed the film, which is based on Josh Malerman's novel Incidents Around the House. The trailer's jump scares suggest an intense viewing experience, with the story centered on a young girl plagued by an evil doppelgänger of her mother.