Elenco
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)
Sue Allen
Chorus (voice)
B.J. Baker
Chorus (voice)
John Richard Bolks
Chorus (voice)
Evangeline Carmichael
Chorus (voice)
Bill Cole
Chorus (voice)
Paul DeKorte
Chorus (voice)
Sandie Hall
Chorus (voice)
Walter S. Harrah
Chorus (voice)
Ronald Harris
Chorus (voice)
Darlene Lawrence
Chorus (voice)
Douglas Lawrence
Chorus (voice)
Shara Lee Lucas
Chorus (voice)
Ida Sue McCune
Chorus (voice)
Gene Merlino
Chorus (voice)
Loulie Jean Norman
Chorus (voice)
Marilyn Powell
Chorus (voice)
Paul Sandberg
Chorus (voice)
Robert Tebow
Chorus (voice)
Equipe
Robert Taylor
Director
Dennis Venizelos
Background Designer
Rick Maki
Animation
Hoyt Curtin
Original Music Composer
Jameson Brewer
Writer
Joseph Barbera
Writer
Robert Taylor
Writer
Johanna Spyri
Novel
Hal Ambro
Animation Director
Chuck Downs
Animation Director
Bob Bachman
Animation
Ed Barge
Animation
Jesse Cosio
Animation
John Freeman
Animation
Ernesto Lopez
Animation
Duncan Marjoribanks
Animation
Mauro Maressa
Animation
Sean Newton
Animation
Margaret Nichols
Animation
Spencer Peel
Animation
Manuel Perez
Animation
Mitch Rochon
Animation
George Scribner
Animation
Irven Spence
Animation
Robert Taylor
Animation
John Walker
Animation
Ken Walker
Animation
Edwin Aardal
Animation
Roger Chiasson
Animation
Gail Finkeldei
Animation
Alvaro Gaivoto
Animation
Terry Harrison
Animation
Harry Holt
Animation
John Kimball
Animation
Marlene Robinson May
Animation
Glenn Schmitz
Animation
Martin Taras
Animation
Don Williams
Animation
Xenia
Animation