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.

Trailer

Cast

Courtney Hawkrigg

Gretchen

Ricky Mabe

Clark

Helen Hughes

Grandma Rose

Peter Boretski

Grandpa Eddie