Ross Bagdasarian Jr.
Alvin Seville / Simon Seville / Dave Seville (voice)
Dee Bradley Baker
Tour Guide (voice)
Michael Bell
Dr. Frankenstein (voice)
Mary Kay Bergman
Mother (voice)
Janice Karman
Theodore Seville (voice)
Jim Meskimen
Mr. Yesman (voice)
Kevin Michael Richardson
Bud Wiley (voice)
Frank Welker
The Monster (voice)