Actress best known for her role as computer wizard Chloe O'Brian in the television series 24. She has also appeared in episodes of 2 Broke Girls, Californication, and Brooklyn Nine-Nine.
Her first acting role was as an Oompa-Loompa at her community theater performance of Willy Wonka & the Chocolate Factory.
She also starred in the short-lived series How to be a Gentleman.
She married Matthew Rolph in 2009. The couple has a son named Valentine.
Kiefer Sutherland was her costar in the series 24.