The first trailer for “All Her Fault,” the new thriller series starring Sarah Snook, has been released, showing the “Succession” alum in a gripping story about a mother’s search for her missing child. The series, which will be released on November 6, 2025 on Peacock, is based on the bestselling novel by Andrea Mara.
The Story Behind the Thriller
“All Her Fault” follows Marissa Irvine, played by Sarah Snook, a mother who arrives to pick up her young son, Milo, from his first playdate. When she gets to the address, a stranger answers the door. The woman does not have Milo and claims to have never heard of him. This moment begins what the series describes as “every parent’s worst nightmare.”
The official logline for the show explains that as the nightmare unfolds, new questions lead to deep secrets. These revelations show cracks in the Irvine family’s seemingly perfect world, until everything is left shattered. The series is a mystery thriller that explores how far a parent will go to find their child.
Cast Details
Sarah Snook leads the cast as Marissa Irvine, marking her first major television role since the end of the HBO series “Succession,” for which she won an Emmy. She is also an executive producer on the series.
The show features a strong supporting cast, including Dakota Fanning, Jake Lacy from “The White Lotus,” and Michael Peña, who plays Detective McConville. The cast also includes Sophia Lillis, Abby Elliott, Jay Ellis, and Thomas Cocquerel. Young actor Duke McCloud plays the role of Milo.
Production and Release Details
“All Her Fault” is an adaptation of the novel by Andrea Mara. The series was created for television by Megan Gallagher, who also serves as writer and executive producer. The first four episodes are directed by Minkie Spiro, with Kate Dennis directing the remaining four.
The series is a Peacock original and will premiere all eight episodes at once on November 6, 2025. This allows viewers to watch the entire story in one sitting. Filming for the show took place in Melbourne, Australia.
Snook’s Return to Television
Since “Succession” ended, Sarah Snook has been busy on stage, winning a Tony Award for her one-woman show “The Picture of Dorian Gray” on Broadway. Her return to television in “All Her Fault” places her in a lead role that is a significant change from the corporate drama of “Succession.” In an interview with Vanity Fair, Snook talked about the emotional demands of the new part, saying:
“One of the first notes that I wrote on my script was, ‘Must find different ways to cry.’ It’s a real gift of a twist. So I couldn’t say no.”
How to Watch
“All Her Fault” will be available exclusively on the Peacock streaming service. To watch, you will need an active Peacock subscription. The service offers a few plans, starting with a basic plan for $7.99 per month.
The show is set to be one of the major new releases for Peacock in the fall. With its tense story and strong cast, it is already creating discussion online. Some viewers have noted the story feels similar to other recent missing-child thrillers, but the strength of the trailer has generated significant interest.
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