Diarmaid Murtagh
Biography
Diarmaid Murtagh is an Irish actor born on July 28, 1982, in Kingscourt, County Cavan, Ireland. He has appeared in various film and television productions. Murtagh's debut film role was in the 2014 war film The Monuments Men, where he played the part of Captain Harpen. He has also portrayed characters in Dracula Untold, The Krays' Mad Axeman, and the historical drama television series Vikings. Additionally, Murtagh has roles in the Netflix sci-fi drama The One and the television series Troy: Fall of a City, where he plays the part of Hermes, messenger of Olympus. His acting credits include 33 known roles.
Career overview
Diarmaid Murtagh is an Irish actor. He began his acting career in the 2007 Irish soap opera Ros na Rún, marking his first appearance on television. Murtagh's film debut was in the 2014 war film The Monuments Men, where he portrayed Captain Harpen. He also appeared in the 2014 historical drama film Dracula Untold, playing the role of Dimitri.
Murtagh continued to work in the film industry, taking on the role of convict Frank Mitchell in the 2019 film The Krays' Mad Axeman. He has also appeared in the historical drama television series Vikings, playing the character of Leif in 2013. Murtagh's acting credits include a range of film and television roles, showcasing his versatility as an actor.
Murtagh's recent work includes starring in the Netflix sci-fi drama The One as Connor, and the television series Troy: Fall of a City, where he portrayed Hermes, the messenger of Olympus. With a career spanning multiple film and television projects, Diarmaid Murtagh has established himself as a talented and accomplished Irish actor.
Ask the Vault
Ask anything about Diarmaid Murtagh.
Frequent co-stars
Career timeline
Full filmography
- Supergirl (2026) as Drom Baxton
- William Tell (2025) as Master Builder
- Stolen Moments (2025)
- Uncharted (2022) as Police Officer
- The Tourist (2022) as Donal
- Against the Ice (2022) as Poulsen
- Bad Boy Buck (2022) as Buck
- Grace (2021) as Vic
- Bloodlands (2021) as Robert Dardis
- The One (2021) as Connor Martin
- Chernobyl (2019) as Zukauskas
- The Protector (2019) as Jake Sharp
- Robert the Bruce (2019) as James Douglas
- The Krays' Mad Axeman (2019) as Frank Mitchell
- Bruno (2019) as Daniel
- Age of Summer (2018) as Tony
- A Christmas in Royal Fashion (2018) as Prince Patrick
- Renegades (2017) as Kurt Duffy
- The Girlfriend Experience (2016) as Player 97
- Quantico (2015) as Eamon Devlin
- Sons of Liberty (2015) as Tim Kelly
- Outlander (2014) as William 'Buck' MacKenzie
- Dominion (2014) as Wes
- Dracula Untold (2014) as Dimitru
- The Monuments Men (2014) as Captain Harpen
- Quirke (2014) as McCoy
- Good People (2014) as Marshall
- Vikings (2013) as Leif
- 13 Steps Down (2012) as Policeman
- Camelot (2011) as Brastias
- Seacht (2008) as Brian
- The Roaring Twenties (2008) as Kevin
- The Butler as Spoons