Rachael Leigh Cook is an American actress, model, voice artist and producer, who is best known for her starring role in films She's All That, Josie and the Pussycats and the television series Into the West and Perception, as well as being the voice behind various characters in Robot Chicken and Tifa Lockhart in the English version of Final Fantasy VII: Advent Children.

Cook first appeared in a psa for foster care at 7 years of age, and as a child print model at the age of 10, in nationwide advertisements for Target and Milk-Bone dog biscuits. Cook made her debut as an actress in the 1995 film The Baby-Sitters Club and appeared in a leading role in the film Country Justice. She then gained national attention in 1998, when she was featured in the famous This Is Your Brain on Drugs PSA, in which she proceeds to destroy a kitchen with a frying pan as she lists the important things in life that heroin harms.

In 1999, Cook had her breakout role in the hit film She's All That followed in 2000 co-starring opposite Elijah Wood in the The Bumblebee Flies Anyway. She took the lead role in 2001's Josie and the Pussycats and was cast in the 2005 television miniseries Into the West produced by Steven Spielberg. In 2000, she was the cover girl for FHM and starred in the music video for New Found Glory's "Dressed to Kill" and singer Daniel Powter's "Love You Lately". She was ranked in the top 10 of Stuff Magazine and Ask Men’s " Sexiest Women in the World". Cook was cast in a role in the big screen adaptation of Nancy Drew, the sports drama The Final Season, and a supporting lead in Blonde Ambition starring Jessica Simpson and Luke Wilson. She has appeared in numerous episodes of the Seth Green comedies Titan Maximum and Robot Chicken and has guest-starred in many episodes of the USA Network series Psych. In 2011, she voiced the character of Jaesa Willsaam in the MMO game, Star Wars: The Old Republic. In 2011, she was selected by the Obama administration as a Champion of Change for Arts Education.

Cook is currently the female lead role in the TNT crime drama series "Perception" opposite Eric McCormack.