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as Kathy Quinn
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as Sarah Quinn
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as Sonny Quinn
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as Sam Carter
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as Mr. Chu
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as Walter
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as Tyler
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as Mrs. Carter
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as Tyler's Crew
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as Tyler's Crew
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as Sam's Father
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as Mrs. Hoover
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as Science Award Presenter-Principal Harrison (Cameo)
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as Slappy (Voice)
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as R.L. Stine
Watch "Goosebumps: Haunted Halloween":
