Diarmaid Murtagh

July 28, 1982 (age 44) 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.

His titles like Dracula Untold, Uncharted, and The Monuments Men - his biggest roles first.
Last updated: August 18, 2026

Watched: 0/17

Weighted avg: 6.03 /10

1

1

Dracula Untold

2014October 2014 by Gary Shore

Supporting as Dimitru

Supporting as Dimitru

6.00 Okay++
2

2

Uncharted

2022February 2022 by Ruben Fleischer

Minor role as Police Officer

Minor role as Police Officer

6.45 Good-
3

3

The Monuments Men

2014January 2014 by George Clooney

Minor role as Captain Harpen

Minor role as Captain Harpen

5.57 Okay
4

4

Supergirl

2026June 2026 by Craig Gillespie

Minor role as Drom Baxton

Minor role as Drom Baxton

6.26 Good--
5

5

Against the Ice

2022February 2022 by Peter Flinth

Supporting as Poulsen

Supporting as Poulsen

6.30 Good--
6

6

Good People

2014August 2014 by Henrik Ruben Genz

Minor role as Marshall

Minor role as Marshall

5.06 Okay--
7

7

Renegades

2017August 2017 by Steven Quale

Supporting as Kurt Duffy

Supporting as Kurt Duffy

5.15 Okay--
8

8

Camelot

2011 by Michael Hirst

Supporting as Brastias

Supporting as Brastias

5.37 Okay-
9

9

The Tourist

2022–2024 by Jack Williams

Minor role as Donal

Minor role as Donal

5.78 Okay+
10

10

The One

2021 by Howard Overman

Supporting as Connor Martin

Supporting as Connor Martin

5.56 Okay
11

11

William Tell

2025January 2025 by Nick Hamm

Minor role as Master Builder

Minor role as Master Builder

5.77 Okay+
12

12

Robert the Bruce

2019June 2019 by Richard Gray

Supporting as James Douglas

Supporting as James Douglas

5.24 Okay-
13

13

A Christmas in Royal Fashion

2018December 2018 by Fred Olen Ray

Starring as Prince Patrick

Starring as Prince Patrick

5.73 Okay+
14

14

The Protector

2019February 2019 by Tosca Musk

Starring as Jake Sharp

Starring as Jake Sharp

5.95 Okay++
15

15

Sons of Liberty

2015 by Kari Skogland

Minor role as Tim Kelly

Minor role as Tim Kelly

5.93 Okay++
16

16

Age of Summer

2018October 2018 by Bill Kiely

Supporting as Tony

Supporting as Tony

5.80 Okay+
17

17

The Krays' Mad Axeman

2019May 2019 by William Kerley

Lead role as Frank Mitchell

Lead role as Frank Mitchell

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