Date of Birth: October 6th 1986
American actress best known for her role as Leah in the 2007 film Juno.
Born and raised in New York City, Thirlby attended Friends Seminary trained at the American Globe Theatre, as well as the Royal Academy of Dramatic Art in London. She completed a stage combat course with the British Academy of Stage and Screen Combat (BASSC).
In 2003, while still at high school, she was offered a role in The Secret. She has expressed an interest in pursuing a career in professional theatre.
In addition to Juno, Thirlby has appeared in United 93 and Snow Angels. She also plays "Aubrey" on Kidnapped. She has a number of films awaiting release, and is attached to star in Jack and Diane opposite Ellen Page, with whom she co-starred in Juno.
Thirlby plans to attend college once she has made a sufficient start to her acting career.