Why Jack Dylan Grazer Almost Had a ‘Heart Attack' on 'It' Set

“Extra’s” online correspondent Hannah Kahn sat down with the young cast of “It” before the release of the movie!

During the shooting of the movie, actor Jack Dylan Grazer was scared silly while celebrating his 13th birthday courtesy of actor Bill Skarsgård, in character as villainous clown Pennywise.

Their co-star Chosen Jacobs told "Extra," "We left a whole bunch of red balloons in his trailer, but little did he know Pennywise is in his closet. Bill pops out and he just has a heart attack.”

“It” hits theaters September 8.

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