Who plays Lia Irvine in All Her Fault? Actress’ career and notable projects explored

Abby Elliot as Lia Irvine in All Her Fault | Image via Apple TV
Lia Irvine in All Her Fault | Image via Apple TV

All Her Fault is a mystery thriller on Peacock and stars Sarah Snook. It is an adaptation of Andrea Mara's novel of the same title. This show began on November 6, 2025. Critic reviews are mainly positive, with Snook receiving plaudits for her outstanding performance. One IMDb user said:

"The storyline, while seeming pretty basic during the first episodes, becomes riveting, and I think you'll be unable to stop watching."

Abby Elliott plays Lia Irvine on the show. She was born in Connecticut in 1987 and raised in a performing family. She is the granddaughter of Bob Elliott, who appeared in the timeless Bob and Ray Show, and the daughter of Chris Elliott.

She also studied at the Groundlings in Los Angeles and the Upright Citizens Brigade Theatre, where she learned comedy and drama. Abby Elliott has received praise for her performance in All Her Fault as Lia Irvine, a recovering addict facing family secrets.

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Saturday Night Live & early comedy career

The Groundlings Theatre and School and the Upright Citizens Brigade were the starting fields of her career before becoming a cast member on Saturday Night Live in 2008. She also appeared on the show for four seasons and is the first cast member to follow in her father's (Chris Elliott) footsteps.

She featured in 81 episodes of Saturday Night Live, where she became famous for her impersonation. She subsequently moved on to films like No Strings Attached (2011) and High Road (2011).


TV success in comedy series

Abby Elliott's television career was successful after she departed Saturday Night Live. In 2015, she starred in the Bravo series Odd Mom Out as Brooke Von Weber and in 2020 in the NBC sitcom Indebted as Rebecca Klein. Abby Elliott has been on several television episodes, including How I Met Your Mother (2005), Happy Endings (2011), Inside Amy Schumer (2013), and Two Broke Girls (2011).

She had also performed voice acting work in Home: Adventures with Tip & Oh (2016) and Star vs the Forces of Evil (2015). Abby Elliott's experiences prepared her for her dramatic role as Lia Irvine in All Her Fault.


Golden Globe nominations & The Bear (2022) breakthrough

In 2022, Abby Elliott starred in the FX and Hulu drama The Bear as Natalie Sugar Berzatto. This earned her a Golden Globe nomination and a Screen Actors Guild Award alongside the cast.

The success gave her new opportunities and helped her land the role of Lia Irvine in All Her Fault.


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Edited by Yesha Srivastava