Chief among them was Ragnar's eldest son Bjorn Ironside (Alexander Ludwig), who had to endure ... wipes out the last remaining heirs to Ragnar Lothbrok, no time is wasted in filling the throne ...

And that prize, in our opinion, goes to Alexander Ludwig. Not only does the 25-year-old actor play Bjorn Ironside, the son of the fabled Norse king Ragnar Lothbrok, he's got a warrior-worthy set ...