The Iron Giant is the deuteragonist of the Warner Bros. 1999 animated science fiction film of the same name, voiced by Vin Diesel. He is a genial 50-foot tall autonomous "Metal Man" from another world that crash lands on Earth before becoming friends with a young boy named Hogarth who rescues him from his own internal defensive mechanism.
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.)