ABC

Cody Linley will be the youngest contestant ever to compete on "Dancing with the Stars." He is best known for his role as Jake Ryan on the Disney Channel series "Hannah Montana." Cody's film credits include "My Dog Skip," "HOOT," "Miss Congeniality" and "Cheaper By the Dozen." He teams with two-time "Dancing with the Stars" champ Julianne Hough, who returns for her fourth season.