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.
After commenting on fair vengeance, a Norse raider is exiled from his natal Norway, and he moves to Greenland, where he follows Leif the son of Erik the Red to the land of Vinland.
