NONiall O'SiordáinNiall Ó Sioradáin is known for Vikings (2013), Fair City (1989) and Kin (2021).Known for8.1Vikings20137.6Kin20216.8At Death's Door19995.8The Clinic20037.3Rebel Heart2001ActorKin20211 episodeKinSeason 2S2E1Episode 1Vikings20137 episodesVikingsSeason 1S1E8SacrificeSeason 4S4E18RevengeS4E4YolSeason 6S6E14Lost SoulsS6E15All at SeaS6E7The Ice MaidenS6E9Resurrection
