Mark P. O'Connor

Acting

Mark P. O'Connor

Ireland

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

Highlights

Game of Thrones2011 · Series · Northern Bannerman (uncredited)
The Northman2022 · Film · Villager (uncredited)
A Knight of the Seven Kingdoms2026 · Series · Musician (uncredited)
Calm with Horses2020 · Film · Bar Fly (uncredited)
The Rainmaker2025 · Series · Schmuck 2
Conversations with Friends2022 · Series · Frederick St Walker (uncredited)

Filmography

Movies

6 films

Haunted Harmony Mysteries: Murder in G Major2023 · Film · Session singer/guitarist (uncredited)
The Northman2022 · Film · Villager (uncredited)
Sprachlos in Irland2021 · Film · Tough guy 2
The Yellow Wallpaper2021 · Film · James
Calm with Horses2020 · Film · Bar Fly (uncredited)
Jimi: All Is by My Side2013 · Film · Hippy (uncredited)

Filmography

Series

5 shows

A Knight of the Seven Kingdoms2026 · Series · Musician (uncredited)
The Rainmaker2025 · Series · Schmuck 2
Sherlock & Daughter2025 · Series · Arthur
Conversations with Friends2022 · Series · Frederick St Walker (uncredited)
Game of Thrones2011 · Series · Northern Bannerman (uncredited)