Cillian O'Sullivan photo

Cillian O'Sullivan

Acting
1989-09-28
New York, USA
Known For 13 titles
Daredevil: Born Again (2025) subtitle poster
Daredevil: Born Again
2025 TV
as Devlin
Subtitles The Blacklist (2013) subtitle poster
The Blacklist
2013 TV
as Skip Sutherland
Subtitles Chicago P.D. (2014) subtitle poster
Chicago P.D.
2014 TV
as Shane Sullivan
Subtitles Vikings (2013) subtitle poster
Vikings
2013 TV
as Eirik
Subtitles Bull (2016) subtitle poster
Bull
2016 TV
as Nathan Alexander
Subtitles Star Trek: Strange New Worlds (2022) subtitle poster
Star Trek: Strange New Worlds
2022 TV
as Dr. Roger Korby
Subtitles The Lost Princess (2025) subtitle poster
The Lost Princess
2025 Movie
as Alec Touati
Subtitles In From the Cold (2022) subtitle poster
In From the Cold
2022 TV
as Chauncey
Subtitles Then You Run (2023) subtitle poster
Then You Run
2023 TV
as Orin
Subtitles Halo: Nightfall (2014) subtitle poster
Halo: Nightfall
2014 Movie
as Christian Ramsey (uncredited)
Subtitles The Boy That Never Was (2024) subtitle poster
The Boy That Never Was
2024 TV
as Dave Garrick
Subtitles Maze (2017) subtitle poster
Maze
2017 Movie
as Bobby
Subtitles Misty Button (2019) subtitle poster
Misty Button
2019 Movie
as James
Subtitles