Gustaf Skarsgård is a Swedish actor best known for his starring role as Floki, a genius ship-builder without whom Ragnar would have never been able to fulfill his dreams of discovering new lands and new civilizations, in the period drama television series Vikings.
Skarsgård is one of Sweden's most prominent and prolific actors. He began acting as a nine-year-old opposite his father Stellan Skarsgård in Cod Name: Coq Rouge. After graduating from the Stockholm Academy of Dramatic Arts in 2003, he became an ensemble member of the Royal Dramatic Theatre.
Skarsgård starred in many Swedish cinematic successes: Evil (nominated for a Guldbagge for Best Supporting Role, the Swedish equivalent of the Academy Awards), The Invisible, Kidz in da Hood (earning a Guldbagge for the lead), and many more.
In 2007, he received the European Film Academy's Shooting Star Award. Other films include Peter Weir's The Way Back (co-starring Ed Harris and Colin Farrell) and the Norwegian adventure drama Kon-Tiki. He also acted in the Swedish series The Fat and the Ugly, helmed by Johan Renck.
He is the son of Stellan Skarsgård and the brother of True Blood star Alexander Skarsgård. His grandfather is actor Peter Stormare.