She later had substantial roles in the films Mona Lisa Smile, Win a Date with Tad Hamilton!, Walk the Line—in which she portrayed Vivian Liberto, Johnny Cash's first wife—and Birds of America.
Hun havde efterfølgende mindre roller i filmene Mona Lisa Smile, Win a Date with Tad Hamilton!, Walk the Line, hvor hun portrætterede Vivian Liberto, Johnny Cashs første kone, og Birds of America.