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)

Candi Milo

Leap (voice)

Tony Pope

Professor Quigley (voice)

Roger Rose

Letters (voice)

Kevin Schon

Letters (voice)