David Seville / Alvin Seville / Simon Seville (voice)
Theodore / Brittany / Jeanette / Eleanor (voice)
Miss Rebecca Miller (voice)
Claudia Furschtien (voice)
Klaus Furschtien (voice)
Sophie / Native Chief / Baby Penguin / Additional Voices (voice)
Arabian Prince (voice)
Additional Voices (voice)
Inspector Jamal (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice; uncredited)
Additional Voices (voice; uncredited)
Additional Voices (voice; uncredited)