Everyone's favorite chipmunks -- Alvin, Simon and Theodore -- are back in this computer-animated version of the classic animated series. The brothers are famous rock stars who tour around the world with their best friends, the Chipettes.

• Justin Long
• Matthew Gray Gubler
• Jesse McCartney
• Christina Applegate
• Anna Faris
• Vanessa Bagdasarian
• Ross Bagdasarian, Jr.