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)