Horton Hears A Who/Alvin and the Chipmunks: The Road Chip

Cast

 * Morton as Alvin
 * The Mayor of Who-ville as Simon
 * Jojo as Theodore
 * Mrs. Quillingan as Brittany
 * Sally as Jeanette
 * Katie as Eleanor
 * Manfred (from Ice Age) as Dave
 * Kangaa as Samantha
 * Vlad as Agent Suggs