Laurence O'Fuarain

Laurence O'Fuarain (born 24 April 1990) is an Irish actor, having had roles in season 5 of Game of Thrones (2015), Rebellion (2016), season 5 of Vikings (2017) and Into the Badlands (2017). He appears as Fjall the warrior in the 2022 Netflix miniseries The Witcher: Blood Origin.

https://en.wikipedia.org/wiki/Laurence_O%27Fuarain