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Billy Bletcher as Robot Butler (segment "Modern Inventions") (voice) (archive sound) (uncredited) |
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Cliff Edwards as Robot Barber Chair (segment "Modern Inventions") (voice) (archive sound) (uncredited) |
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Clarence Nash as Donald Duck (voice) (archive sound) (uncredited) |
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Sterling Holloway as Amos Mouse (segment "Ben and Me") (voice) (archive sound) (uncredited) |
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Hans Conried as Tom Jefferson / Crook (segment "Ben and Me") (voice) (archive sound) (uncredited) |
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Paul Frees as True Spirit of Adventure / Narrator / Creature (voice) (archive sound) (uncredited) |
