3. With John Hurt, Colin Morgan, Bradley James, Richard Wilson.

It may seem longer because we grew attached to the series and its characters after five seasons (2008-2012). The Mark of Nimueh. Merlin (TV Series 2008–2012) cast and crew credits, including actors, actresses, directors, writers and more. Merlin, a young country boy, arrives in the bustling, colorful city of Camelot and witnesses an execution. And quite a lot can happen in a few years’ time. An evil knight named Valiant rides into Camelot and enters the annual sword-fighting tournament, where he'll face the reigning champion, Arthur. Merlin: Colin Morgan, Angel Coulby, Bradley James (II), Katie McGrath, Richard Wilson (III), Anthony Stewart Head, Nickolas Grace, Robert Addie (BBCA) It doesn’t seem all that long since BBC AMERICA’s Merlin came to an end, but in actuality it’s been three years. Created by Johnny Capps, Julian Jones, Jake Michie. BBC America’s Merlin aired five seasons from 2008-2012. These are the brand new adventures of Merlin, the legendary sorcerer as a young man, when he was just a servant to young Prince Arthur on the royal court of Camelot, who has soon become his best friend, and turned Arthur into a great king and a legend.