Stewart creates a convincing character full of pain and turmoil." Stewart appeared in the fantasy-adventure film Zathura: A Space Adventure (2005), playing the role of Lisa Browning, the irresponsible older sister of two little boys.
During their playing a board game, they turn their house into a spacecraft hurtling uncontrollably in outer space.
I never sought out acting, but I always practiced my autograph because I love pens.
I'd write my name on everything." She also appeared in the independent film The Safety of Objects (2001), as the tomboy daughter of a troubled single mother (Patricia Clarkson).
Stewart, 13 at the time of filming, played a high school freshman, Melinda Sordino, who after being raped nearly stops speaking.
Her performance was widely praised, with The New York Times stating "Ms.
Stewart's first starring role was at age 14 in the children's action-comedy Catch That Kid (2004), opposite Max Thieriot and Corbin Bleu.
As she grew up with a family who worked behind the camera, Stewart thought she would become a screenwriter/director, but never considered being an actor.
She recalled, "I never wanted to be the center of attention—I wasn't that 'I want to be famous, I want to be an actor' kid.
That year Stewart also played the role of Lila in the thriller, Undertow (2004).
Stewart starred in the Lifetime/Showtime television film Speak (2004), based on the novel by the same name by Laurie Halse Anderson.