Debi Derryberry

Tad (voice)

Joey Camen

Mr. Frog (voice)

Sheryl Bernstein

Mrs. Frog / Letters (voice)

Joe Alaskey

Berfter / Letters (voice)

Ogie Banks

Letters (voice)

Sandy Fox

Lily (voice)

Ginny Westcott

Additional Characters (voice)

Henry Gifford

A Students (voice)

Michael Mendelson

Letters (voice)

Candi Milo

Leap (voice)

Tony Pope

Professor Quigley (voice)

Roger Rose

Letters (voice)

Kevin Schon

Letters (voice)