
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.

Vikings
TV • 2013

Outlander
TV • 2014

Quantico
TV • 2015

Chernobyl
TV • 2019

Grace
TV • 2021

The Girlfriend Experience
TV • 2016

Dominion
TV • 2014

Camelot
TV • 2011

Uncharted
MOVIE • 2022

The Tourist
TV • 2022

Supergirl
MOVIE • 2026

Bloodlands
TV • 2021

Dracula Untold
MOVIE • 2014

Sons of Liberty
TV • 2015

The One
TV • 2021

Quirke
TV • 2014

Against the Ice
MOVIE • 2022

William Tell
MOVIE • 2025