Diarmaid Murtagh
Jul 28, 1982 (43 years old) in Kingscourt, County Cavan, Ireland
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.
Known For

Vikings
Leif

Outlander
William 'Buck' MacKenzie

Chernobyl
Zukauskas

Quantico
Eamon Devlin

Grace
Vic

The Girlfriend Experience
Player 97

The Tourist
Donal

Uncharted
Police Officer

William Tell
Master Builder

Camelot
Brastias
Credits
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William Tell 2025Master Builder★ 6.1
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Bad Boy Buck 2022Buck★ NR
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Against the Ice 2022Poulsen★ 6.8
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Uncharted 2022Police Officer★ 6.9
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The Tourist 2022Donal★ 6.8
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Grace 2021Vic★ 6.6
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The One 2021Connor Martin★ 6.5
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Bloodlands 2021Robert Dardis★ 6.8
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Bruno 2019Daniel★ 7
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Robert the Bruce 2019James Douglas★ 5.3
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Chernobyl 2019Zukauskas★ 8.7
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Frank Mitchell★ 4
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The Protector 2019Jake Sharp★ 6.4
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Prince Patrick★ 5.9
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Age of Summer 2018Tony★ 6.2
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Renegades 2017Kurt Duffy★ 5.6
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Player 97★ 7
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Quantico 2015Eamon Devlin★ 6.5
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Sons of Liberty 2015Tim Kelly★ 6.8
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Dracula Untold 2014Dimitru★ 6.4
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Good People 2014Marshall★ 5.5
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Outlander 2014William 'Buck' MacKenzie★ 8.2
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Quirke 2014McCoy★ 5.9
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The Monuments Men 2014Captain Harpen★ 6.1
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Vikings 2013Leif★ 8.1
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Camelot 2011Brastias★ 6.3
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The Roaring Twenties 2008Kevin★ NR
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Seacht 2008Brian★ NR