Cillian O'Sullivan
Birthday unknown (Age unknown) in New York, USA
Known For
The Blacklist
Skip Sutherland
Vikings
Eirik
Chicago P.D.
Shane Sullivan
Star Trek: Strange New Worlds
Dr. Roger Korby
Bull
Nathan Alexander
Daredevil: Born Again
Devlin
Halo: Nightfall
Christian Ramsey (uncredited)
The Lost Princess
Alec Touati
In From the Cold
Chauncey
Credits
-
Blue Moon 2025★ NR -
The Lost Princess 2025Alec Touati★ 5 -
Devlin★ 8 -
Dave Garrick★ 6.3 -
Then You Run 2023Orin★ 5.5 -
Dr. Roger Korby★ 8.1 -
In From the Cold 2022Chauncey★ 6.8 -
Misty Button 2019James★ 5.2 -
Maze 2017Bobby★ 5.9 -
Bull 2016Nathan Alexander★ 7.1 -
Halo: Nightfall 2014Christian Ramsey (uncredited)★ 6.7 -
Chicago P.D. 2014Shane Sullivan★ 8.4 -
The Blacklist 2013Skip Sutherland★ 7.6 -
Vikings 2013Eirik★ 8.1 -
Uncle Bill's Barrel 2008Tom Lynch★ NR -
Seacht 2008Michael★ NR