Cast
Peter Cullen
Gruffle (voice)
Michael Bell
Willie (voice)
Janet Waldo
Tinette (voice)
Pamelyn Ferdin
Klara (voice)
Lorne Greene
Grandfather (voice)
Joan Gerber
Fräulein Rottenmeier (voice)
Sammy Davis Jr.
Head Ratte (voice)
Frank Welker
Schnoddle/Hootie (voice)
Richard Erdman
Herr Sessman (voice)
Virginia Gregg
Aunt Dete (voice)
Michael Winslow
Mountain (voice)
Fritz Feld
Sebastian (voice)