Michael "Mike" Hanlon is a major protagonist of the Stephen King multiverse.
Serving as one of the main protagonists of the 1986 horror novel IT, a mentioned character in 11/22/63 (novel) and Dreamcatcher. He is also a minor character in Insomnia.
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.)