Kieran O'Reilly

Kieran Mark O'Reilly is an Irish actor, musician and producer. He is also the songwriter and lead vocalist of the Irish alternative rock band, Hail The Ghost and his solo project, Kopium. He is best known for his controversial role as Detective Garda Ciarán Madden in RTÉ's hit crime drama, Love/Hate, and his role as 'White Hair' in the Emmy Award-winning television show, Vikings.