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Mark P. O'Connor

Acting Ireland 12 credits
12
Total Credits
2026
16 Years Career Span
6
Vault Titles
9
Key Co-Stars

Biography

Mark P. O'Connor works in acting. Born in Ireland. Archytele tracks 12 screen credits across canonical film and television databases.

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Known for

A Knight of the Seven Kingdoms

as Musician (uncredited)

A Knight of the Seven Kingdoms

as Musician

Sherlock & Daughter

as Arthur

The Rainmaker

as Schmuck 2
Film

The Northman

as Villager (uncredited)

Game of Thrones

as Northern Bannerman (uncredited)

Frequent co-stars

Milo Callaghan 1 shared title
Lana Parrilla 1 shared title
Madison Iseman 1 shared title
P.J. Byrne 1 shared title
Dan Fogler 1 shared title
Wade Briggs 1 shared title
Robyn Cara 1 shared title
John Slattery 1 shared title
Matthew McMahon 1 shared title

Career timeline

A Knight of the Seven KingdomsA Knight of the Seven Kingdoms
Sherlock & DaughterThe Rainmaker
Haunted Harmony Mysteries: Murder in G Major
The NorthmanConversations with FriendsThe Yellow Wallpaper
Sprachlos in Irland
Calm with Horses
Jimi: All Is by My Side
Game of Thrones

Full Filmography

12 titles
  • A Knight of the Seven Kingdoms (2026) as Musician (uncredited)
  • A Knight of the Seven Kingdoms (2026) as Musician
  • Sherlock & Daughter (2025) as Arthur
  • The Rainmaker (2025) as Schmuck 2
  • Haunted Harmony Mysteries: Murder in G Major (2023) as Session singer/guitarist (uncredited)
  • The Northman (2022) as Villager (uncredited)
  • Conversations with Friends (2022) as Frederick St Walker (uncredited)
  • The Yellow Wallpaper (2022) as James
  • Sprachlos in Irland (2021) as Tough guy 2
  • Calm with Horses (2020) as Bar Fly (uncredited)
  • Jimi: All Is by My Side (2013) as Hippy (uncredited)
  • Game of Thrones (2011) as Northern Bannerman (uncredited)

Frequently Asked Questions

What movies or TV shows is Mark P. O'Connor best known for?

Mark P. O'Connor is widely recognized for notable roles and projects including A Knight of the Seven Kingdoms (2026), A Knight of the Seven Kingdoms (2026), Sherlock & Daughter (2025), The Rainmaker (2025).

When and where was Mark P. O'Connor born?

Mark P. O'Connor was born in Ireland.

How many credits does Mark P. O'Connor have?

Mark P. O'Connor has accumulated over 12 film and television credits across a career spanning from 2011 to 2026.

What is Mark P. O'Connor's background in cinema and television?

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...