Distributia
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Alison BartlettGina
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Fran BrillSummer Squall / Prairie Dawn (voice)
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Kevin ClashWatson / Green Dentist (voice)
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Whoopi GoldbergHerself
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Jim HensonGuy Smiley (voice) (archive footage)
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Richard HuntGladys the Cow / Two-Headed Monster (voice) (archive footage)
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Jerry NelsonOver the Top / Two-Headed Monster / Sherlock Hemlock / The Count (voice)
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Frank OzCookie Monster / Grover (voice)