12 Fascinating Facts You Probably Don't Know About "Downton Abbey"

Two of the most iconic "Downton" couples actually played opposite each other before! Michelle Dockery (Mary) and Dan Stevens (Matthew) costarred in an adaptation of "The Turning of the Screw," while Hugh Bonneville (Robert) and Elizabeth McGovern (Cora) played a married couple on an old sitcom called "Freezing."