Nathan O'Toole

Nathan O'Toole (born 17 March 1998) is an Irish actor. He is known for his role as a young Bjorn Ironside in the first, second and third seasons of the History series Vikings. O'Toole made his television debut at 13 in the Showtime series The Borgias as Vincenzo.

Early life O'Toole grew up in Dunshaughlin, County Meath with three siblings. He attended St. Seachnall National School and then Dunshaughlin Community College. He began taking acting classes with Ann Kavanagh's Young People's Theatre when he was 10. He then went on to train at Bow Street Academy in Dublin.

Filmography Year Series Role Notes 2012 The Borgias Vincenzo 2 episodes 2013–2014; 2016 Vikings Björn Ironside 11 episodes; Recurring (Season 1)Guest (Seasons 2; 4) 2014 Penny Dreadful Ernest Episode: "Resurrection" 2017 Clondorca Brian Short film 2018 The Delinquent Season Teen 2 2018 Bernard Dunne's Mythical Heroes Various 2021 Der Irland-Krimi Michael O'Connor Episode: "Vergebung"