Bill Skarsgård as Pennywise (IT)

Jack Dylan Grazer as Eddie Kaspbrak

Wyatt Oleff as Stanley Uris

Chosen Jacobs as Mike Hanlon

Sophia Lillis as Beverly Marsh

Jaeden Lieberher as Bill Denbrough

Finn Wolfhard as Richie Tozier

Nicolas Hamilton as Henry Bowers

Jackson Robert Scott as Georgie Denbrough

Maddie Ziegler as Bethany Denbrough

Jeremy Ray Taylor as Ben Hanscom