For such a successful show, "Downton Abbey" was marked by many actors who left it at the height of its popularity, often for reasons that weren't well known.

As it returns for its much-awaited fourth season, "Downton Abbey" remains a saga about elegance, tradition and gentility — and the pressures of preserving them. On the premiere, airing Sunday at 9 p.m ...

Deck the halls with boughs of holly, Downton Abbey fans, as Netflix U.S. has just released some fantastic news regarding the beloved world of the Crawleys and co. For this upcoming winter season, two ...