Nathan O'Toole (born 17 March 1998) is an Irish actor, known for playing the part of young Bjorn Ironside in the first two seasons of the 2013 TV series Vikings. He also played in the series The Borgias as Vincenzo. He lives in Dunshaughlin.
Biography：Nathan O'Toole (born 17 March 1998) is an Irish actor, known for playing the part of young Bjorn Ironside in the first two seasons of the 2013 TV series Vikings. He also played in the series The Borgias as Vincenzo. He lives in Dunshaughlin.
