Acting credits
15
Active
Consistent number of acting credits.
Actor
Cillian O'Sullivan
Acting
Career Snapshot
ExplainedThese indicators come from TMDB. They are relative signals, not review ratings.
TMDB popularity
0.8
Low visibility
TMDB internal trend index. Higher usually means more searches and page activity now.
Movies: 4Series: 11
TMDB ID: 1966594
IMDb ID: nm2793419
Known for: Acting
Born: September 28, 1989
Age: 37
Place of birth: New York, USA
Gender: Male
Adult content flag: No
Career span: 2012 - 2025
Years active: 14
Average TMDB rating: 7.32
Wikidata: Q124418974
Also known as
Cillian O'Suilleabhain • Cillian Ó Súilleabháin
Movies
Movies
Movie credits linked with Cillian O'Sullivan.
The Lost Princess
as Alec Touati
2025 Movie
Misty Button
as James
2019 Movie
Maze
as Bobby
2017 Movie
Halo: Nightfall
as Christian Ramsey (uncredited)
2014 Movie
Series
Series
Series credits linked with Cillian O'Sullivan.
Daredevil: Born Again
as Devlin • 3 eps
2025 Series
The Boy That Never Was
as Dave Garrick • 3 eps
2024 Series
Then You Run
as Orin • 8 eps
2023 Series
Star Trek: Strange New Worlds
as Dr. Roger Korby • 4 eps
2022 Series
In From the Cold
as Chauncey • 8 eps
2022 Series
FBI: Most Wanted
as Scot Weitzen • 1 eps
2020 Series
Bull
as Nathan Alexander • 1 eps
2016 Series
Chicago P.D.
as Shane Sullivan • 1 eps
2014 Series
The Blacklist
as Skip Sutherland • 2 eps
2013 Series
Vikings
as Eirik • 1 eps
2013 Series
6Degrees
as Conor Martin • 18 eps
2012 Series