All Her Fault Cast and Character Guide
All Her Fault is already the talk of the town on Peacock. This gripping mystery-drama, adapted from Andrea Mara's novel, premiered on November 6, 2025. It plunges viewers into a tense story where Marissa Irvine discovers her son Milo has disappeared after a routine playdate.
The series highlights the lives and secrets of the Irvine family and others connected through unexpected relationships. As the plot unfolds, it reveals harsh truths about trust, parenting, and the challenges faced by everyday people thrust into extraordinary circumstances.
Main Characters and Plot
- Marissa Irvine – A corporate mother in Chicago, whose world is turned upside down by her son’s disappearance.
- Peter Irvine – Marissa’s husband, part of the central family dynamic.
- Detective Alcaras – The police investigator delving into the lives of the Irvines, school mothers, and nannies involved with Milo.
The story skillfully explores the impact of the investigation on relationships, revealing hidden layers of each character.
Performance and Cast Highlights
The actors bring depth and nuance to the suspenseful narrative, making every twist compelling and unpredictable.
"Marissa Irvine, a corporate mom living in Chicago, is the terrified parent of the Emmy-winning actress Sarah Snook, who was awarded the prize for her outstanding acting performance and who played Shiv Roy in Succession."
Sarah Snook, originally from Adelaide, Australia, has also starred in notable films such as Predestination (2014), Pieces of a Woman (2020), and Run Rabbit Run (2021).
Summary
All Her Fault combines suspenseful storytelling with powerful performances, revealing how ordinary lives are shaken by extraordinary events and secrets.
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