Gustaf Skarsgård (born 12 November 1980) is a Swedish film and television actor, best known for playing Floki on History Channel's television series "Vikings". He's the son of actor Stellan Skarsgård and brother of actors Bill, Valter and Alexander Skarsgård.
A pair of covert assassins, a Norse god, green rage monster, billionaire playboy and WW2 super soldier team up to defend Earth against the nefarious conqueror Loki.