Wayne Morton
Pontoffel Pock
Hal Smith
McGillicuddy / Good Fairy-in-Chief
Don Messick
Humboldt (voice)
Joe Raposo
Gil Gickler / Groogen Musician / Senior Fairy / Groogen Dairywoman (voice)
Ken Lundie
Highbee
Sue Allen
Neepha Pheepha
Gerard Baldwin
Director
David H. DePatie
Executive Producer
Friz Freleng
Dr. Seuss
Producer
Music
Lyricist, Writer
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