Stellan Skarsgård's son was in what History Channel series?
Matias Varela:  During middle school a new friend was Gustaf Skarsgård, son of internationally noted Swedish actor Stellan Skarsgård. Gustaf Skarsgård:  He is best known outside Scandinavia for his role as Floki in the History Channel series "Vikings" as well as for his roles in the films "Evil" (2003), "The Way Back" (2010) and "Kon-Tiki" (2012).
"Vikings"