Biography
Olivia Thirlby is an American actress. She was born on 6 October 1986 in New York City and trained in classical acting at the American Globe Theatre in New York and completed a stage combat course at the Royal Academy of Dramatic Art in London.
Thirlby made her screen debut in United 93 (2006) and rose to prominence with her role as Leah in Juno (2007). Subsequent film credits include Dredd (2012) as Cassandra Anderson, The Stanford Prison Experiment (2015), Oppenheimer (2023) as Lilli Hornig and Dumb Money (2023). On television she has appeared in Goliath (2016), Y: The Last Man (2021) and Law & Order: Organized Crime (2025). She plays Vivian in the series Wonder Man (2026).
