Making Instruments / Dinosaur Dynasty

Daveigh Chase

Betsy (voice)

Nancy Cartwright

Billy / Kenji / Kevin (voice)

Richard Steven Horvitz

Scott / Newton / Dad (voice)

Vicki Lewis

Molly (voice)

Cree Summer

Sarah / Maria (voice)

Sally Struthers

Mrs. O'Connor (voice)

Fred Willard

Bus Driver Bob (voice)

Tom Bosley

Principal Warner (voice)

Bess Armstrong

Mom (voice)