
Mark P. O'Connor
Biography
Musician - voice (tenor), piano, guitar, drums, bass, keys, ukulele, bouzouki, tiple. Performed at:
Electric Picnic, Australian National Folk Festival, Illawarra Folk Festival, Major's Creek Folk Festival, Féile na Gréine, The Seige of Limerick, UL IWA Blas Summer School, Saint Mary's Cathedral, Splendour in the Grass Festival, Ludlow St NYC.
Stage actor - Stage actor since 2010. Highlights include: Fr Flynn - 'Doubt: A parable', The Knave - '2 Gentlemen of Lebowski', Martin - 'Through a glass darkly', Laurence Sugden - 'Calender Girls', Stewart/Len/Roy 'Blackrock', Christy 'Lieutenant of Inismore'
Screen actor since 2012. Productions worked on include: TV - Am an Ghátair, Game of Thrones S8, Foundation, Conversations with friends, Sherlock and Daughter, A Knight of the Seven Kingdoms. Feature Films - Calm with horses, I am Patrick, The Northman, Clueless in Ireland, Murder in G Major.
Podcaster - Culture night 2020/2021, 'Remember Dolores Podcast', 'The Craic' on LCCR 100+ episodes.
Known For

TV
Game of Thrones
Northern Bannerman (uncredited)
2011

TV
A Knight of the Seven Kingdoms
Musician (uncredited)
2026

TV
A Knight of the Seven Kingdoms
Musician
2026

TV
Sherlock & Daughter
Arthur
2025

Film
The Northman
Villager (uncredited)
2022

TV
The Rainmaker
Schmuck 2
2025

TV
Conversations with Friends
Frederick St Walker (uncredited)
2022

Film
I Am Patrick: The Patron Saint of Ireland
Virgin’s father
2020

Film
Calm with Horses
Bar Fly (uncredited)
2020

Film
Jimi: All Is by My Side
Hippy (uncredited)
2013

Film
Haunted Harmony Mysteries: Murder in G Major
Session singer/guitarist (uncredited)
2023

Film
Sprachlos in Irland
Tough guy 2
2021

Film
The Yellow Wallpaper
James
2022
Filmography
2026TVA Knight of the Seven Kingdomsas Musician (uncredited)2025TVThe Rainmakeras Schmuck 22025TVSherlock & Daughteras Arthur2023FilmHaunted Harmony Mysteries: Murder in G Majoras Session singer/guitarist (uncredited)2022TVConversations with Friendsas Frederick St Walker (uncredited)2022FilmThe Northmanas Villager (uncredited)2022FilmThe Yellow Wallpaperas James2021FilmSprachlos in Irlandas Tough guy 22020FilmI Am Patrick: The Patron Saint of Irelandas Virgin’s father2020FilmCalm with Horsesas Bar Fly (uncredited)2013FilmJimi: All Is by My Sideas Hippy (uncredited)2011TVGame of Thronesas Northern Bannerman (uncredited)