Joseph Morgan is best known for his roll in what CW show that eventually spun off into "The Originals"?
Joseph Morgan (actor): Joseph Morgan (born Joseph Martin; 16 May 1981) is an English actor and director. Joseph Morgan (actor):  He is best known for his role as Klaus Mikaelson in The CW show "The Vampire Diaries" and its spin-off "The Originals". Original Vampires (The Vampire Diaries): The Original vampires, in the universe of "The Vampire Diaries" and "The Originals", are a family of vampires from which all current vampires descend, as well as being the most powerful and indestructible of their kind.
The Vampire Diaries