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Cast | + Add Cast |
4 cast members |
Name | Known for |
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David Graham
Dr. Horatio Beaker / Mitch the Monkey / Kalmus / Newsreader (voice)
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Graydon Gould
Mike Mercury / Narrator (voice)
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Sylvia Anderson
Jimmy Gibson / Aunt Heidi / Zizi (voice)
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Cyril Shaps
Professor Rudolph Popkiss / Planitimus (voice)
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