Meet the Confirmed Cast of ‘Other Mommy’ with Pictures

Director Rob Savage’s upcoming supernatural psychological horror film ‘Other Mommy‘ is based on Josh Malerman’s 2024 novel ‘Incidents Around the House’. Produced by James Wan under the Blumhouse and Atomic Monster banner, the film tells the story of a family tormented by an entity that mimics a mother’s appearance. Set for a 2026 release by Universal Pictures, this feature showcases a blend of established stars and emerging talent. Here’s a look at the confirmed cast members who will bring this chilling narrative to life.

Jessica Chastain

Jessica Chastain leads the horror film in a dual role as Ursula and the malevolent entity known as the Other Mommy. The Academy Award-winning actress is renowned for her powerful performances in films like ‘The Eyes of Tammy Faye‘ and ‘Zero Dark Thirty‘. With significant experience in the horror genre, including roles in Andy Muschietti’s ‘Mama‘ and ‘It Chapter Two‘, her character must fiercely protect her young daughter from the paranormal intruder invading their home.

Jay Duplass

Jay Duplass plays Russell, Ursula’s husband and Bela’s father. The actor and filmmaker is well-known for his role in the acclaimed series ‘Transparent‘. He has also appeared in notable television projects like ‘The Chair‘ and ‘Industry‘, as well as films such as ‘Paper Towns‘. In this psychological horror adaptation, he faces the mounting terror that threatens to tear his family apart.

Arabella Olivia Clark

Arabella Olivia Clark takes on the pivotal role of Bela, a young girl who becomes the target of the supernatural presence. Her character is central to the story as she is haunted by the entity that closely resembles her mother. Clark represents a rising talent stepping into a challenging lead role in horror, anchoring the adaptation’s exploration of childhood vulnerability and supernatural fear.

Dichen Lachman

Dichen Lachman joins the cast in a supporting role for the horror film. The Australian actress is recognized for her portrayal of Ms. Casey in the critically acclaimed series ‘Severance‘. Her extensive credits also include roles in ‘Altered Carbon‘, ‘Agents of S.H.I.E.L.D.‘, and the blockbuster ‘Jurassic World Dominion‘. Her participation in ‘Other Mommy‘ adds depth to the film’s lineup of seasoned performers.

Arian Moayed

Arian Moayed is part of the supporting cast in this psychological thriller. The Tony and Emmy-nominated actor gained acclaim for his role as Stewy Hosseini in the hit series ‘Succession‘. He has also appeared in major productions like the Netflix miniseries ‘Inventing Anna‘ and Marvel’s ‘Spider-Man: No Way Home‘. His casting brings a notable dramatic presence to this supernatural adaptation.

Karen Allen

Karen Allen plays Grandma Ruth, the protective grandmother of Bela. Known for her iconic role as Marion Ravenwood in ‘Raiders of the Lost Ark‘ and ‘Indiana Jones and the Dial of Destiny‘, Allen’s celebrated career includes memorable performances in classics like ‘Starman‘, ‘Scrooged‘, and ‘Animal House‘. In ‘Other Mommy‘, she supports the family as they confront the malevolent forces haunting their home.

Sean Kaufman

Sean Kaufman is officially part of the supporting ensemble for the upcoming Universal Pictures release. He gained recognition for his role as Steven Conklin in the popular series ‘The Summer I Turned Pretty‘. His television experience also includes appearances in ‘Manifest‘ and ‘Law & Order: Special Victims Unit‘. This film marks a significant shift into the supernatural horror genre for the rising actor.

Adam Silver

Adam Silver joins the cast of the Blumhouse and Atomic Monster horror collaboration. He has built an extensive resume with roles in high-profile television series such as ‘The Offer‘ and ‘Masters of the Air‘. His credits also include episodic projects like ‘NCIS‘ and ‘Casual‘. His role in ‘Other Mommy‘ expands his portfolio into major studio psychological horror.

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