The Chipmunk Adventure 1987

The Chipmunks and the Chipettes go head to head in a hot air balloon race, and the winner gets $10,000. Unbeknownst to the participants, the "race" is actually a diamond smuggling ring!

Cast:

Ross Bagdasarian, Jr.
David Seville / Alvin Seville / Simon Seville (voice) 

Janice Karman
Theodore / Brittany / Jeanette / Eleanor (voice) 

Dody Goodman
Miss Rebecca Miller (voice) 

Susan Tyrrell
Claudia Furschtien (voice) 

Anthony De Longis
Klaus Furschtien (voice) 

Frank Welker
Sophie / Native Chief / Baby Penguin / Additional Voices (voice)