Cast & creator
Diarmaid Murtagh
Best known for Vikings, Outlander, Supergirl
Diarmaid Murtagh is an Irish actor. He portrayed Leif in the 2013 historical drama television series Vikings, Dimitri in Dracula Untold (2014) and Captain Harpen in The Monuments Men (2014). He first appeared in the 2007 Irish soap opera Ros na Rún. His debut film role was as Captain Harpen in the George Clooney's 2014 war film The Monuments Men. 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. He is currently featured as “Connor” in the Netflix sci fi drama The one.
Also known as: Diarmuid Murtagh, Dairmuid Murtagh
18
film credits
15
television credits
33
2008–2026 · acting roles
6.4
average across scored titles
Signature credits
Known for
Across film & television
Filmography (33)
Showing 33 of 33 credits
Vikings
Leif
2013
Outlander
William 'Buck' MacKenzie
2014
Supergirl
Drom Baxton
2026
Quantico
Eamon Devlin
2015
Chernobyl
Zukauskas
2019
The Girlfriend Experience
Player 97
2016
Grace
Vic
2021
Uncharted
Police Officer
2022
Dominion
Wes
2014
Camelot
Brastias
2011
The Tourist
Donal
2022
Dracula Untold
Dimitru
2014
William Tell
Master Builder
2025
Bloodlands
Robert Dardis
2021
The Monuments Men
Captain Harpen
2014
Good People
Marshall
2014
Against the Ice
Poulsen
2022
Sons of Liberty
Tim Kelly
2015
The One
Connor Martin
2021
Quirke
McCoy
2014
Robert the Bruce
James Douglas
2019
Renegades
Kurt Duffy
2017Seacht
Brian
2008
Stolen Moments
2025
A Christmas in Royal Fashion
Prince Patrick
2018
Age of Summer
Tony
2018
The Protector
Jake Sharp
2019
The Roaring Twenties
Kevin
2008
The Krays' Mad Axeman
Frank Mitchell
2019
Bruno
Daniel
2019
Bad Boy Buck
Buck
2022
13 Steps Down
Policeman
2012The Butler
Spoons