cin•atlas every frame has a place
Cillian O'Sullivan
The talent

Cillian O'Sullivan

Acting
IMDB ↗

The work

Vikings 2013
Vikings Eirik
The Blacklist 2013
The Blacklist Skip Sutherland
Chicago P.D. 2014
Chicago P.D. Shane Sullivan
Daredevil: Born Again 2025
Daredevil: Born Again Devlin
Star Trek: Strange New Worlds 2022
Star Trek: Strange New Worlds Dr. Roger Korby
FBI: Most Wanted 2020
FBI: Most Wanted Scot Weitzen
Bull 2016
Bull Nathan Alexander
Halo: Nightfall 2014
Halo: Nightfall Christian Ramsey (uncredited)
In From the Cold 2022
In From the Cold Chauncey
Maze 2017
Maze Bobby
The Lost Princess 2025
The Lost Princess Alec Touati
The Boy That Never Was 2024
The Boy That Never Was Dave Garrick
Then You Run 2023
Then You Run Orin
Misty Button 2019
Misty Button James
6Degrees 2012
6Degrees Conor Martin
Uncle Bill's Barrel
2008
Uncle Bill's Barrel Tom Lynch
Seacht
2008
Seacht Michael