That year Stewart also played the role of Lila in the thriller, Undertow (2004).
That same year, Stewart had a small role in the Sean Penn-directed adaptation Into the Wild.
For her portrayal of Tracy – a teenage singer who has a crush on young adventurer Christopher Mc Candless (played by Emile Hirsch) – Stewart received mixed reviews.
Stewart also played a tomboy, diabetic daughter of a divorced mother (Jodie Foster) in the film Panic Room (2002).
She was nominated for a Young Artist Award for her performance.s success, Stewart was cast in another thriller, Cold Creek Manor (2003), playing the daughter of characters played by Dennis Quaid and Sharon Stone.
On November 16, 2007, Summit Entertainment announced that Stewart would play main character Isabella "Bella" Swan in the film Twilight, based on Stephenie Meyer's bestselling vampire romance novel of the same name.