Mark P. O'Connor
Acted in
Haunted Harmony Mysteries: Murder in G Major
2023
as Session singer/guitarist (uncredited)
The Northman
2022
as Villager (uncredited)
The Yellow Wallpaper
2022
as James
Sprachlos in Irland
2021
as Tough guy 2
I Am Patrick: The Patron Saint of Ireland
2020
as Virgin’s father
Game of Thrones
2011
as Northern Bannerman (uncredited)
Sherlock & Daughter
as Arthur