All Her Fault Cast and Character Guide
All Her Fault is already creating buzz on Peacock. This gripping mystery-drama, based on Andrea Mara's novel, premiered on November 6, 2025. The story follows Marissa Irvine, who discovers her son Milo has vanished after a routine playdate.
The show gives each actor a chance to shine while revealing secrets, testing relationships, and exposing harsh truths about those entrusted with children's care. The narrative centers on Marissa and Peter Irvine’s family and other characters whose lives intersect unexpectedly.
Key Characters and Plot
- Marissa Irvine: A corporate mom living in Chicago, she faces the terrifying disappearance of her son Milo.
- Peter Irvine: Marissa’s husband, part of the central family drama.
- Detective Alcaras: The police investigator delving into the lives of the Irvines, school mothers, and nannies involved with Milo.
The series explores how ordinary people confront extraordinary challenges in a suspenseful setting.
Actors Bringing the Story to Life
The cast's nuanced performances enhance the tension, making every twist compelling and unpredictable. Marissa Irvine is portrayed by Sarah Snook, an Emmy-winning actress known for her role as Shiv Roy in Succession.
"Snook was born in Adelaide, Australia, and has starred in films such as Predestination (2014), Pieces of a Woman (2020), and Run Rabbit Run (2021)."
Her acclaimed performance adds depth and authenticity to the character’s emotional journey.
Summary
All Her Fault captivates with its intense storytelling and strong performances, capturing the complex realities of trust and family under pressure.
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