Personal Info
Known For
Acting
Born
August 8, 1973 (age 52)
Place of Birth
Killiney, County Dublin, Ireland
Also Known As
Lochlainn O'Mearáin
Lochlann O'Mearáin
Lochlann Ó Mearáin
Known For
TV
Outlander
Horrocks
2014
TV
Vikings
First Noble
2013
TV
The Tudors
Messenger
2007
TV
Genius
Georg Nikolai
2017
TV
The Head
Sean
2020
TV
My Hero
Non-smoking Patient
2000
TV
Smother
Rory Dwyer
2021
TV
Small Town, Big Story
Handsome Boyle Man
2025
TV
Borderline
Jack Mullen
2024
Film
King Arthur
Roman Commander
2004
TV
The Mystic Knights of Tir Na Nog
Rohan
1998
TV
Mr Loverman
Reuben Dempsey
2024
TV
The Dreamer: Becoming Karen Blixen
Denys
2022
Film
Poison Pen
PC Molloy
2014
TV
Holding
as Cormac Byrne
2022
TV
Women on the Verge
Rory
2018
Film
Supervized
Kevin
2019
Film
Pilgrimage
Lopsided
2017
Film
Love & Friendship
Lord Manwaring
2016
TV
Finding Joy
Aidan
2018
Filmography
2026FilmShut Your Mouth2025TVSmall Town, Big Storyas Handsome Boyle Man2024TVMr Lovermanas Reuben Dempsey2024TVBorderlineas Jack Mullen2023FilmOcean Deepas Rory Murphy2022TVThe Dreamer: Becoming Karen Blixenas Denys2022FilmJoyrideas James2022TVHoldingas as Cormac Byrne2021FilmRose Plays Julieas Farmhand2021TVSmotheras Rory Dwyer2020TVThe Headas Sean2019FilmSupervizedas Kevin2019FilmThe Bridgeas Cormac2019FilmRosieas Rick2018TVWomen on the Vergeas Rory2018TVFinding Joyas Aidan2018FilmMother2017TVGeniusas Georg Nikolai2017FilmPilgrimageas Lopsided2016FilmInspektor Jury spielt Katz und Mausas Dr. Fleming2016FilmLove & Friendshipas Lord Manwaring2014TVOutlanderas Horrocks2014FilmPoison Penas PC Molloy2013FilmThe O'Briensas Brendan Blake2013TVVikingsas First Noble2013FilmA Terrible Beautyas Piaras Béaslaí2009FilmHoly Wateras Donal O'Connell2008FilmNollaig Shona2007TVThe Tudorsas Messenger2004FilmThe Longest Ditchas Pat O'Callaghan2004FilmKing Arthuras Roman Commander2000TVMy Heroas Non-smoking Patient1999FilmMystic Knights of Tir Na Nogas Rohan1998TVThe Mystic Knights of Tir Na Nogas Rohan