David Seville/Alvin Seville/Simon Seville
Ross Bagdasarian
Theodore Seville/Brittany Miller/Jeanette Miller
Janice Karman
Miss Rebecca Miller
Dody Goodman
Klaus Furschtien
Anthony De Longis
Claudia Furschtien
Susan Tyrrell
Sophie/Arab Prince/Additional Voices
Frank Welker
Arabian Prince
Nancy Cartwright
Ken Samsom
Philip L. Clarke
Inspector Jamal
Ken Sansom
Charles Adler
Philip Clark
George Poulos
Patrick Pinney
Frank Welker
Additional Voices (voice)
Jack Angel
Additional Voices (voice)
Mel Blanc
Phillip Clark