Diarmaid Murtagh

Biography

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

Against the Ice

Bad Boy Buck

Dracula Untold

Good People

Renegades

Age of Summer

A Christmas in Royal Fashion

Filmography

2025 William Tell

as Master Builder

2022 Bad Boy Buck

as Buck

2022 Against the Ice

as Poulsen

2022 Uncharted

as Police Officer

2022 The Tourist

as Donal

2021 Grace

as Vic

2021 The One

as Connor Martin

2021 Bloodlands

as Robert Dardis

2019 Bruno

as Daniel

2019 Robert the Bruce

as James Douglas

2019 Chernobyl

as Zukauskas

2019 The Krays' Mad Axeman

as Frank Mitchell

2019 The Protector

as Jake Sharp

2018 A Christmas in Royal Fashion

as Prince Patrick

2018 Age of Summer

as Tony

2017 Renegades

as Kurt Duffy

2016 The Girlfriend Experience

as Player 97

2015 Quantico

as Eamon Devlin

2015 Sons of Liberty

as Tim Kelly

2014 Dracula Untold

as Dimitru