Sarah Snook stars in the new Peacock thriller All Her Fault for Her First TV Role After Succession

Sarah Snook in All Her Fault

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After winning an Emmy for her role in the hit series Succession, Sarah Snook is back on television. She stars in the new Peacock thriller All Her Fault, which premiered on November 6, 2025. Snook explains that she deliberately picked a project that was completely different from the world of the wealthy, backstabbing Roy family.

In the new series, Snook plays Marissa Irvine, a mother in a wealthy Chicago neighborhood. Her life shatters when she goes to pick up her five-year-old son, Milo, from a playdate, only to find he is not there and the woman at the door has never heard of him. The show follows her desperate search for her missing child.

Why a New TV Role Had to Be Different

Following her time on the hugely popular Succession, Sarah Snook knew her next project needed to be a distinct change. She did not want to try and top her experience on the award-winning show.

โ€œSuccession was such a big, zeitgeist, huge moment thing,โ€ Snook said. โ€œIt was career-changing for me and so incredible, so my plan going forward was always choosing things that are different โ€” but also to never compare. Itโ€™s not a thing that I can ever top as an experience and as a world. It meant so much to me, so just finding something different was really important. And I feel like this is that.โ€

She described her new character, Marissa, as a major shift from Shiv Roy. While Shiv was internally cold and calculated, Marissa has a visible warmth, even as she endures a parent’s worst nightmare.

Connecting Motherhood to the Role

Snook’s own life has changed significantly since her Succession days. She became a mother, welcoming a daughter with her husband, Dave Lawson, in May 2023. She says becoming a parent gave her a deeper understanding for this new role that she did not have before.

โ€œI donโ€™t think I would have been able to do this role before now,โ€ Snook admitted. โ€œI would have been able to imaginatively create something, but thereโ€™s a real difference between that and the depth of feeling that I now understand. Thereโ€™s a wealth of emotion to draw on.โ€

She even connected the roles that have bookended her journey into motherhood, noting, โ€œTo be pregnant in one show and then have your child go missing in the other โ€” letโ€™s hope thatโ€™s not the motherhood journey for most.โ€

A Story of Invisible Labor and Blame

Beyond the central mystery, All Her Fault digs into the theme of the “invisible labor” that often falls on women, even in modern relationships. When her son goes missing, Marissa is the one expected to know all the details of his life, while the title of the show points to the automatic blame placed on mothers.

โ€œItโ€™s a conversation thatโ€™s been certainly happening in my life, in my friendship circles for the last, certainly five years at least,โ€ Snook said about the show’s social commentary. โ€œItโ€™s about the invisible labor that women tend to take on in a relationship that has children involved.โ€

Her co-star, Dakota Fanning, who plays another mother in the series, expanded on this idea. โ€œItโ€™s not some exposรฉ of men and all their terrible traits,โ€ Fanning explained. โ€œItโ€™s more about the things that they just donโ€™t see that women do, or just the pieces that are left behind that they donโ€™t realize are theirs to pick up.โ€

Leading the Way On and Off Screen

For this project, Snook took on an additional role as an executive producer. This allowed her to help shape the culture on set and champion an eco-friendly production. The crew used reusable cups and cutlery, as well as electric vehicles.

She also valued that the creative team was led by women, including showrunner Megan Gallagher and directors Minkie Spiro and Kate Dennis. Snook felt this was key to telling the story with authenticity.

โ€œIt was really intentional to make sure we had a woman directing and having Meghan be the showrunner, because you donโ€™t want to be too on-the-nose with those kinds of things,โ€ Snook said. โ€œOtherwise, theyโ€™re overlooked and they are ignored.โ€

The eight-episode series is available to stream in full on Peacock.

Also Read: All Her Fault Trailer Out: Sarah Snookโ€™s Missing Son Thriller Is a Parentโ€™s Worst Nightmare