Rathbone has had guest roles on The O.C., and Close to Home. He also did extensive work for Disney 411 and interviewed up-and-coming personalities like Hilary Duff. His movie roles include work in Molding Clay (Pray for Morning, and Travis and Henry. In 2008, he played the character of Jasper Hale in the movie Twilight, based on the best-selling novel by Stephenie Meyer. Rathbone will be playing the role of Sokka in The Last Airbender, a 2010 film based on the animated series.