
Mark P. O'Connor
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.
7
Films
5
TV Shows
Known For
12 Credits
A Knight of the Seven Kingdoms
as Musician (uncredited)
2026

Game of Thrones
as Northern Bannerman (uncredited)
2011

The Northman
as Villager (uncredited)
2022

Sherlock & Daughter
as Arthur
2025

The Rainmaker
as Schmuck 2
2025

Conversations with Friends
as Frederick St Walker (uncredited)
2022

Calm with Horses
as Bar Fly (uncredited)
2020

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

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

The Yellow Wallpaper
as James
2022

Sprachlos in Irland
as Tough guy 2
2021

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