Thorne's aboriginal blur actualization was an bearding role as a sidelines fan in the 2003 blur Stuck on You. She has aback appeared in blur and television projects including Jimmy Kimmel Live!, Entourage, The O.C. (as a adolescent adaptation of Taylor Townsend), the third-last adventure of October Road (as Angela Ferilli, the pre-adolescence drove of the capital characters; her earlier brother Remy additionally guest-starred in the aforementioned adventure as a adolescent Eddie Latekka), and bristles episodes of Dirty Money (as Margaux Darling).In 2007, Thorne appeared as a adolescent babe bedeviled by abnormal visions in The Seer.
In 2008, Thorne starred alongside Christian Slater and Taylor Lautner in the brief ball alternation My Own Worst Enemy, for which she won a Adolescent Artist's Award for her assuming of the appearance Ruthy Spivey; Thorne declared her Enemy casting as a above advance as this was the aboriginal alternating role in her career.
She again appeared in the ten-episode web alternation Little Monk, which depicted characters from the alternation Monk as children. In 2009, she abounding the role of the antagonistic adversary in the abhorrence blur Forget Me Not.