Goosebumps: How to Kill a Monster

Overview

Step siblings Gretchen and Clark arrive at Gretchen's grandparents' house in the middle of swamp country. After Clark plays a prank on her, Gretchen inadvertently enters a forbidden room, and is horrified by what she finds.

Cast

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Courtney Hawkrigg

Gretchen

Ricky Mabe

Clark

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Helen Hughes

Grandma Rose

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Peter Boretski

Grandpa Eddie

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Tim Rykert

Swamp Monster