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