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.
Casting an absurdist stylized martial arts action black comedy that takes place over a 24 hour period in a Waffle House restaurant, in a story about an NSA informant and his handler holding up in the titular restaurant as it is surrounded by half a dozen rival mafias and gangs looking for him.