Marco Ilsø (born 29 September 1994) is a Danish actor. His first acting role was as a 14-year-old, playing the lead in 24 episodes of Mikkel og guldkortet. Since season 4, he has played Hvitserk in Vikings.
Erik, a Norse warrior must abandon his innocence to become one of Odin's champions and reclaim what belongs to him, History will remember him by various names like Amleth or Beowulf but also he would influence the creation of the trolls or selkies.