As an actor, Skarsgård has mainly appeared in Swedish or other Scandinavian productions. His first roles came as a child through his acting family: in 2003, he appeared in the short film
To Kill a Child, written and directed by his brother Alexander, and in
Details as the younger version of his brother Gustaf's role. In 2007's
Arn: The Knight Templar, he and Bill played the sons of
Knut Eriksson, played by Gustaf. He had his first lead part in the 2013 film
IRL and his first main television role in the series
Black Lake, which ran from 2016 to 2018. He later portrayed the metal musician
Bård Guldvik "Faust" Eithun in the 2018 film
Lords of Chaos. This was followed by two horror film leads, in ''
Don't Click and Funhouse. During 2021 and 2022, he became known to global audience in several Netflix shows, including Katla and The Playlist. In 2023, he played the ice hockey player Börje Salming in the biopic series Börje''. ==Selected filmography==