The Bear star Abby Elliott has landed her next role in Sarah Snook's upcoming Peacock series All Her Fault.

According to Deadline, both Elliott and Ripley actor Dakota Fanning have been cast in the twisty thriller, which is based on the novel of the same name by Andrea Mara.

All Her Fault will star Snook as Marissa Irvine, who arrives at 14 Arthur Avenue to collect her son Milo from a playdate with another boy who goes to his new school.

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The official synopsis continues: "But the woman who answers the door isn't a mother she recognises. She isn't the nanny. She doesn't have Milo. And so begins every parent's worst nightmare."

Elliott will take on the role of Lia, while Fanning is set to play Jenny. Further details about their characters are yet to be announced.

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Other cast members include Jake Lacy (The White Lotus), Sophia Lillis (Dungeons & Dragons) and Michael Peña (Secret Headquarters).

Megan Gallagher will serve as writer and creator on the series, while Minkie Spiro (3 Body Problem) is set to direct the first episode, among others. The pair will also executive produce along with Snook.

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All Her Fault isn't the only project Snook has in the works, as it was recently announced that the Succession star's one-woman production of The Picture of Dorian Gray is heading to Broadway after she received rave reviews on London's West End.

Adapted from Oscar Wilde's novel of the same name, the stage play centres on a young man who sells his soul to forever retain his youth and beauty. Snook has signed on to reprise her 26 characters throughout the spring of next year.

All Her Fault does not yet have a release date.

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Social Executive, Entertainment Portfolio After completing her joint honours degree in Journalism and English Literature at Cardiff University, Iona joined Digital Spy as a Content Production Intern in 2022, where she wrote across both news and features, specialising in TV and movies. Following her internship, Iona continued contributing to the site as a freelance reporter, becoming social executive for the Hearst UK entertainment portfolio in summer 2025. Iona now leads the DS social channels, covering red carpets with stars such as Paul Mescal, Austin Butler, and more.