In May 2018 , James Ransone revealed on Twitter that he would play the adult Eddie Kaspbrak .
In April 2018 , James McAvoy and Bill Hader entered negotiations to play the adult Bill Denbrough and Richie Tozier .
In May 2018 , James Ransone revealed on Twitter that Bill Hader would play the adult Eddie Kaspbrak .
In April 2018 , James McAvoy and Bill Hader entered negotiations to play the adult Bill Denbrough and Richie Tozier .