Big Bro Theodore

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)

• Michael Bagdasarian

  Officer Dangus (voice) / Cheesy (voice)