The IT Chapter 2 Cast James McAvoy & Jessica Chastain Play Guess The Movie Monster | MTV Movies

James McAvoy and Jessica Chastain tell us how scared they were on set and what it’s really like working with Pennywise in IT Chapter 2 after playing Guess The Movie Monster. Subscribe to MTV for more great videos and exclusives!    / mtvuk   Get social with MTV @ 💋 Twitter:   / mtvuk   🍺 Instagram:   / mtvuk   💅 Tumblr:   / mtvuk   🍿 Facebook:   / mtvuk   🎷 Official: http://www.mtv.co.uk