Billy is the leader of the Losers' Club, as well as the eldest son of Zack and Sharon Denbrough, as well as the older brother of the late George Denbrough. He is the main archenemy of Pennywise.
Add actors/actresses and cast the roles/films/series that they were rumored, considered, offered, negotiated, auditioned, turned down, and/or originally casted before getting recasted. (Please double-check in research.)
