Cast
Justin Long
Alvin Seville (Voice)
Matthew Gray Gubler
Simon Seville (Voice)
Jesse McCartney
Theodore Seville (Voice)
Christina Applegate
Brittany Miller (Voice)
Anna Faris
Jeanette Miller (Voice)
Vanessa Bagdasarian
Eleanor Miller / Lucy/ Kate (Voice)
Ross Bagdasarian, Jr.
Alvin Seville (Voice) / Simon Seville (Voice) / Dave Seville (Voice)
Janice Karman
Theodore Seville (voice) / Brittany Miller (voice) / Jeanette Miller (voice)
Janice Karman
Theodore Seville (voice) / Brittany Miller (voice) / Jeanette Miller (voice)
Vanessa Bagdasarian
Eleanor Miller (voice)
Vanessa Bagdasarian
Eleanor Miller (voice)
Michael Bagdasarian
Officer Dangus (voice) / Cheesy (voice)
Michael Bagdasarian
Officer Dangus (voice) / Cheesy (voice)