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Diarmaid Murtagh

Diarmaid Murtagh

Born: 1982-07-28 • 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.

Filmography
Supergirl poster
Supergirl
2026 • Drom Baxton
Stolen Moments poster
Stolen Moments
2025
William Tell poster
William Tell
2025 • Master Builder
Bad Boy Buck poster
Bad Boy Buck
2022 • Buck
Against the Ice poster
Against the Ice
2022 • Poulsen
Uncharted poster
Uncharted
2022 • Police Officer
Bruno poster
Bruno
2019 • Daniel
Robert the Bruce poster
Robert the Bruce
2019 • James Douglas
The Krays' Mad Axeman poster
The Krays' Mad Axeman
2019 • Frank Mitchell
The Protector poster
The Protector
2019 • Jake Sharp
A Christmas in Royal Fashion poster
A Christmas in Royal Fashion
2018 • Prince Patrick
Age of Summer poster
Age of Summer
2018 • Tony
Renegades poster
Renegades
2017 • Kurt Duffy
Dracula Untold poster
Dracula Untold
2014 • Dimitru
Good People poster
Good People
2014 • Marshall
The Monuments Men poster
The Monuments Men
2014 • Captain Harpen