Series synopsis
All Her Fault is a British mystery crime television series that premiered on Sky Atlantic on November 7, 2025. It ended on December 26, 2025. It was created by Megan Gallagher. It stars Sarah Snook, Jake Lacy, Sophia Lillis and Michael Peña.
In Chicago, Marissa Irvine arrives at 14 Arthur Avenue, expecting to pick up her young son Milo from his first playdate with a boy at his new school. But the woman who answers the door isn't a mother she recognizes. She isn't the nanny. She doesn't have Milo. And so begins every parent's worst nightmare.
Premise
In Chicago, Marissa Irvine arrives at 14 Arthur Avenue, expecting to pick up her young son Milo from his first playdate with a boy at his new school. But the woman who answers the door isn't a mother she recognizes. She isn't the nanny. She doesn't have Milo. And so begins every parent's worst nightmare.
Premise: All these nice people. Killing each other.
Cast and characters
Leading cast
- Sarah Snook as Marissa Irvine
- Jake Lacy as Peter Irvine
- Sophia Lillis as Carrie Finch
- Michael Peña as Detective Alcaras
- Dakota Fanning as Jenny Kaminski
- Abby Elliott as Lia Irvine
- Jay Ellis as Colin Dobbs
- Duke McCloud as Milo Irvine
Guest cast
- Johnny Carr as Detective Greco
- Melanie Vallejo as Sarah Larsen
- Tayden Jax Ryan as Jacob Kaminski
- Thomas Cocquerel as Richie Kaminski
- Kartiah Vergara as Ana Garcia
- Laura Brent as Aimee Babich
- Joey Vieira as Victor Beran
- Linda Cropper as Esther Bauer
- Rowan Witt as Brendan Hill
- Sachin Joab as Alex Wayans
- Jackson Tozer as Officer Kiely
- James Huang as Officer Petrovic
Episodes
This series spans 1 season with 8 episodes.
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 8 | November 7, 2025 | December 26, 2025 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
Episode 1 Marissa Irvine arrives to collect her young son Milo from his first playdate, but the woman who answers the door isn't a mother she recognizes and doesn't have Milo, beginning every parent's worst nightmare. |
November 7, 2025 |
| 2 |
Episode 2 As Detective Alcaras investigates Milo's disappearance, Marissa, with Jenny's help, works hard to raise awareness. A press conference turns ugly when questions are asked about the Irvines' past business dealings. |
November 14, 2025 |
| 3 |
Episode 3 Alcaras turns his attention to the recent Chicago Marathon, attended by Carrie, the Irvines and a potential new suspect. A canvassing event aims to keep the case alive. Peter takes matters into his own hands. |
November 21, 2025 |
Production
Release
| Original network/platform | Sky Atlantic |
|---|---|
| First aired | November 7, 2025 |
| Last aired | December 26, 2025 |
| Status | ended |