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.
Gustaf Skarsgård has built a filmography of 15 credits over a career spanning from 2003 to 2025.
Gustaf Skarsgård's most notable role to date came in Oppenheimer (2023), where he played Hans Bethe. He also appeared in Vikings (2013) as Floki. Most recently appeared in Westworld (2016) as Karl Strand.
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