History Channel's 'Vikings': Who's Who?
At 12, the first-born son of Ragnar and Lagertha has just come of age in Viking society. The rite of passage occurs when Earl Haraldson presents him with a ring at the gathering known as the Thing. Bjorn (Nathan O'Toole) yearns to be a warrior like his father, but his youth and inexperience hold him back. As Ragnar continues to go against the powers that be, Bjorn and his sister, Gyda (Ruby O'Leary), will be in danger.
Source: Kevin Lynch / HISTORY