출연진
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)