Jessica Chastain as Beverly Marsh, The Cast of the It Sequel Is Finally Taking Shape! Meet the Stars

Chastain was always a pretty solid guess when it came to adult Beverly. After all, she worked with It director Andy Muschietti on the 2013 horror film Mama.
It's been a while since the It sequel was confirmed (and titled It: Chapter Two), and there are a lot of things to figure out before the next part of the story

It' Girl? Jessica Chastain Is Bent on Playing Beverly Marsh in Sequel (Video) - TheWrap

IT Chapter 2: Jessica Chastain Starts Filming as Beverly Marsh

Jessica Chastain Teases Her Beverly Marsh Role in It: Chapter 2

Jessica Chastain - Wikipedia

It Chapter 2: Everyone who's been cast as the grown-up Losers

Jessica Chastain - Wikipedia

IT Chapter 2: Jessica Chastain Starts Filming as Beverly Marsh

The Terrifying Jessica Chastain as Beverly Marsh in IT CHAPTER TWO

IT 2 Wants Jessica Chastain as Adult Beverly

It' Chapter Two: Jessica Chastain Confirmed to Star as Beverly

It Chapter 2: Everyone who's been cast as the grown-up Losers

Congratulations, Internet: Jessica Chastain Might Star in the It Sequel