Christmas 2013.
Cast:[]
- Jason Lee as Dave Seville
- David Cross as Ian Hawke
- Cameron Richardson as Claire Wilson
- John Goodman as Santa
- Tom Hanks as Himself
Voice Casts:[]
- Justin Long as Alvin and Alvin (80s)
- Matthew Gray Gubler as Simon and Simon (80s)
- Jesse McCartney as Theodore and Theodore (80s)
- Ross Bagdasarian Jr. as Alvin and Simon (singing)
- Janice Karman as Theodore, Brittany, Jeanette and Eleanor (singing)
- Anna Faris as Brittany and Brittany (80s)
- Christina Applegate as Jeanette and Jeanette (80s)
- Amy Peohler as Eleanor and Eleanor (80s)
- Jason Lee as Dave Seville (80s)
- Cameron Richardson as Claire Wilson (80s)
- David Cross as Ian Hawke (80s)
- Frank Welker as Cyclops (uncredits)
- Sound Effects as Cyclops Dog
- Frank Welker as Cyclops Dog (uncredits)