All Her Fault is a mysterythriller limited series for Peacock starring Sarah Snook. It is based on the novel by Andrea Mara and premiered on November 6, 2025. The series received generally positive reviews from critics, with particular praise for Snook's performance.
When Marissa Irvine goes to pick up her young son Milo from his first playdate with a boy at his new school, the woman who answers the door has never seen or heard of either Marissa or her son—beginning every parent's worst nightmare. As Marissa and her husband Peter begin a desperate search for their son, their family starts to come apart at the seams. With new friend Jenny Kaminski, the only person that Marissa can count on, the two women form a close and unlikely alliance. Together they hunt for Milo, uncovering deep family secrets that alter the course of both their lives forever. Charged with finding Milo and bringing the kidnappers to justice, Detective Alcaras unravels the complex and frightening web of deception and lies that has ensnared both the Irvine and Kaminski families, but his moral code is stretched to breaking point.[1]
Cast
Main
Sarah Snook as Marissa Irvine, a self-made wealth manager who panics over the disappearance of her son
Jake Lacy as Peter Irvine, Marissa's husband who is a commodities trader who also supports his sister, Lia, financially
Sophia Lillis as Carrie Finch, Jenny and Richie's nanny who allegedly kidnapped Milo
Abby Elliott as Lia Irvine, Peter's sister who is a recovering drug addict
Jay Ellis as Colin Dobbs, Marissa's best friend and business partner
Daniel Monks as Brian Irvine, Peter and Lia's younger disabled brother who works as day trader for Peter
Duke McCloud as Milo Irvine, Marissa and Peter's 5-year-old son
Dakota Fanning as Jenny Kaminski, a fellow mom whose son is friends with Milo and the head of marketing at Blackhorn
Michael Peña as Detective Alcaras, a police detective who is investigating Milo's disappearance
Recurring
Melanie Vallejo as Sarah Larsen, a parent representative at the school
Tayden Jax Ryan as Jacob Kaminski, Jenny and Richie's son
Thomas Cocquerel as Richie Kaminski, Jenny's husband who is a high school teacher
Kartiah Vergara as Ana Garcia, Marissa and Peter's nanny
Megan Gallagher is writer, creator and executive producer on the series, which is an adaptation of the best-selling novel of the same name by Andrea Mara who is associate producer. Sarah Snook stars and is also an executive producer. Universal International Studios is producing the series.[3]Minkie Spiro is set to direct several episodes and executive produce.[4][5][6] Other executive producers are Nigel Marchant, Gareth Neame and Joanna Strevens for Carnival Films, Jennifer Gabler Rawlings and Christine A. Sacani. The series producer is Terry Gould.[7] Kate Dennis has directed multiple episodes as well.[8]
The review aggregator website Rotten Tomatoes reported a 77% approval rating based on 30 critic reviews. The website's critics consensus reads, "A twisty thriller that underscores the societal pressures placed on working mothers, All Her Fault is an addicting watch thanks largely to Sarah Snook and Dakota Fanning's emotionally grounded performances."[15]Metacritic assigned a score of 64 out of 100 based on 17 critics, indicating "generally favorable" reviews.[16]
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