Biografía
Gustaf Skarsgård was born in Stockholm, Sweden, to Swedish actor Stellan Skarsgård and his first wife, My, a physician. He has five siblings: Alexander, Sam, Bill, Eija and Valter, and two half-brothers Ossian and Kolbjörn from his father's second wife, Megan Everett.
Alexander, Bill, and Valter are also actors. His godfather is Swedish actor Peter Stormare.
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).