Lil'T

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)

Vanessa Bagdasarian

Eleanor Miller (voice)

Michael Bagdasarian

Officer Dangus (voice) / Cheesy (voice)