Cast & creator
Frank O'Sullivan
Best known for Game of Thrones, Titanic: Blood and Steel, Titanic: Blood and Steel
Movies
15
film credits
Series
8
television credits
Career
23
1987–2025 · acting roles
Credit score
6.5
average across scored titles
Signature credits
Known for
Across film & television
Filmography (23)
Showing 23 of 23 credits
Series
★ 8.5
Game of Thrones
Night's Watch Messenger
2011
Series
★ 7.2
Titanic: Blood and Steel
Steel Company Manager
2012Series
★ 7.2
Titanic: Blood and Steel
Manager Roll Comp (uncredited)
2012
Series
★ 6.7
The Woman in the Wall
John Farrell
2023
Series
★ 7.7
Cradle to Grave
Tony the Totter
2015
Movie
★ 7.3
The Wind That Shakes the Barley
Man in Pub
2006
Movie
★ 6.9
Michael Collins
Kavanagh
1996
Series
★ 5.9
Quirke
Davy
2014
Series
★ 5.8
The Hanging Gale
Kerryman
1995
Series
★ 5.0
September
Disco Man
1996
Movie
★ 7.4
Love of the Irish
Osullivan
2025T
Movie
★ 9.0
The Visit
Prison officer
1992
Movie
★ 5.6
Taffin
Frank
1988
Movie
★ 4.9
A Secret Affair
Zoran
1999
Movie
★ 6.4
The Van
Wally
1996D
Movie
Draíocht
Lugh
1996
Movie
★ 6.0
I Went Down
Cork Man 1
1997
Movie
★ 7.5
Three Wishes for Jamie
Shanahan Brother
1987
Movie
★ 5.6
Second Name
Inspector Potts
2002
Movie
★ 7.0
Ann
Retired Guard
2022
Movie
The Hanging Gale
Kerryman
1995
Movie
★ 6.0
Chasing Leprechauns
Angus
2012
Movie
★ 3.7
Banshee Blacktop
Detective Kennedy
2016