Lorne Greene
Grandfather (voice)
Cast (32)
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)
Crew (8)
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