Diarmaid Murtagh (born 28 July 1982) is an Irish actor.
[1][2][3][4] He portrayed Leif in the 2013 historical drama television series Vikings, Dimitri in Dracula Untold (2014)[5] and Captain Harpen in The Monuments Men (2014).
He first appeared in the 2007 Irish soap opera Ros na Rún.
[6] Murtagh played convict Frank Mitchell in the 2019 film The Krays' Mad Axeman.
He is currently starring in Troy: Fall of a City as Hermes, messenger of Olympus.