"Game of Thrones" fans should know by now not to get too attached to their favorite characters, but they might want to keep an eye on the rotating actors as well.

In the span of five seasons, several cast members have been replaced. Some of the characters are minor enough that fans probably missed the change, while others were slyly replaced with similar-looking actors.

From princes to mercenary soldiers, let's take a look at which "Game of Thrones" characters have reappeared with new faces.