‘A Knight of the Seven Kingdoms’ Cast Guide: Who’s Who in the ‘Game of Thrones’ Prequel?

A Knight of the Seven Kingdoms' introduces new characters in the 'Game of Thrones' prequel. Here's a guide to who's who.
Hosted on MSN

The cast of "Game of Thrones", unrecognizable in their youth

Now that Game of Thrones is over, we'd like to revisit the cast in their days before they became a part of HBO's most popular series. It's hard to believe when you watch the show that the actors weren ...