Rachael Leigh Cook's memorable and riveting performance in the 1998 anti-heroin "kitchen smashing" public service announcement ("This is your brain...") led to her first starring role in Miramax's breakout hit She's All That, the enchanting teen comedy costarring Freddie Prinze Jr. Cook next put her comedic ability to work in the title role of aspiring rock star Josie McCoy in Josie and the Pussycats, alongside Parker Posey and Rosario Dawson.
Cook starred with Hilary Swank and Colin Hanks in New Line's dark comedy 11:14 and with Sylvester Stallone in Get Carter. She also starred in The Big Empty, opposite John Favreau, and the romantic comedy Blow Dry, with Josh Hartnett. In Living Out Loud, Cook played the younger version of Holly Hunter's character. And in The House of Yes, she played a younger version of Parker Posey's Jackie-O character. More recently, Cook starred in the Warner Bros. feature film Nancy Drew, in which her character, Jane Brighton, is the subject of Nancy Drew's most pressing case.
On television, Cook co-starred as Clara Wheeler in TNT's award-winning miniseries Into the West. She has also played a recurring role on the hit series Psych. Cook resides in Los Angeles with her husband, actor Daniel Gillies, as well as their three dogs and two cats.