Cast

Lorne Greene

Grandfather (voice)

Sammy Davis Jr.

Head Ratte (voice)

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Margery Grey

Heidi (voice)

Pamelyn Ferdin

Klara (voice)

Michael Bell

Willie (voice)

Peter Cullen

Gruffle (voice)

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Roger DeWitt

Peter (voice)

Richard Erdman

Herr Sessman (voice)

Fritz Feld

Sebastian (voice)

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Joan Gerber

Fräulein Rottenmeier (voice)

Crew

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Robert Taylor

Director (Directing)

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Dennis Venizelos

Background Designer (Art)

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Rick Maki

Animation (Visual Effects)

Hoyt Curtin

Original Music Composer (Sound)

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Jameson Brewer

Writer (Writing)

Joseph Barbera

Writer (Writing)

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Robert Taylor

Writer (Writing)

Johanna Spyri

Novel (Writing)