Gonna give you some examples, though they are (nearly) all from one show, but it proves my point.
[Legend: Name of the actor (name of the displayed character; show)]
Sean Bean (Eddard Stark; Game of Thrones)
Jamie Sives (Jory Cassel; Game of Thrones)
Kit Harington (Jon Snow; Game of Thrones)
BUT let's not stay stuck with only fantasy/medieval/viking warriors. Let's turn ourselves to God.
François Arnaud (Cesare Borgia; The Borgias)
And now you have the right to call me a hopeless maniac. Ah ah.