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 young man's mother is bitten by a Sumatran rat-monkey. She gets sick and dies, at which time she comes back to life, killing and eating dogs, nurses, friends, and neighbors.