Rachael Leigh Cook (born October 4, 1979) is an American actress, model, voice artist, and producer. She is best known for her starring film roles as Laney Boggs in She's All That (1999), Doreen Carter in Get Carter (2000), Josie McCoy in Josie and the Pussycats (2001), as well as TV roles as Kate Moretti on Perception, and Clara Wheeler on Into the West.

She had recurring roles as Penny Posin on Las Vegas, Abigail Lytar on Psych, and the voice of Lt. Jodi Yanarelli on Titan Maximum. She is also the voice behind various characters in Robot Chicken and Tifa Lockhart in the English version of Final Fantasy VII: Advent Children.

She has produced and starred in multiple TV movies.

She first appeared in a public service announcement for foster care at seven years of age, and began working as a child print model at the age of 10, most notably in nationwide advertisements for Target and appearing on the boxes of Milk-Bone dog biscuits. She married actor Daniel Gillies in August 2004, after less than a year of dating. They have one daughter, Charlotte Easton Gillies, born in September 2013.