Game of Thrones has such a sprawling ensemble numbering well into triple digits that you can be forgiven if you've never noticed a few recastings here and there. Some are hidden by an extensive use of prosthetics, some go unnoticed because a character becomes much more prominent than in previous seasons, and some even date back to the unaired pilot. Here are some characters on HBO's fantasy drama who are now played by someone other than the original actor cast in the role.
