Director Andy Muschietti is also trying to add Jaeden Lieberher, Finn Wolfhard, Jack Dylan Grazer, Wyatt Oleff, Chosen Jacobs, and Jeremy Ray Taylor to the horror project, said The Hollywood Reporter.
The Part 1 of "It" is scheduled to arrive in September 2017.
King's book revolves around children, battling a mysterious being known as "It" that takes the physical form of Pennywise. It further follows the group, when they group and the clown seems to have reappeared.