Peacock releases trailer for All Her Fault starring Sarah Snook

Peacock has released the official trailer for All Her Fault, an eight-episode mystery drama starring Emmy winner Sarah Snook that will premiere on the streaming service on November 6, 2025. The series, adapted from Andrea Mara's bestselling novel and written by Megan Gallagher, follows Snook's character, Marissa Irvine, after her young son, Milo, disappears following a first playdate.

The trailer sets up a domestic thriller in which Marissa arrives at a neighbor's home expecting to collect Milo and is met by a woman who says she has never heard of the child and does not have him. The official synopsis states, "And so begins every parent's worst nightmare." The disappearance prompts a police investigation led by Detective McConville, played by Michael Peña, and triggers intense scrutiny of Marissa's personal and professional life as suspicions, secrets, and interpersonal fractures emerge.

The series features a large ensemble cast that includes Dakota Fanning, Jake Lacy, Sophia Lillis, Abby Elliott, Daniel Monks, Jay Ellis, Thomas Cocquerel, Duke McCloud, and Kartiah Vergara. Fanning plays Jenny, the mother of the child whose home Marissa visits, and Lacy plays Peter, Marissa's...