Acting
Cillian O'Sullivan
- Titles
- 5movies10TV showsmovies and TV shows
- Career
- 20082025
- Leading roles
- 3top three billing
- Average score
57/100
- Highest rated
In From the Cold65/100
What stands out
Compared with the average well-known movie, over 11 of their titles. Select a trait to filter titles.
- Crime6.1average 3.7
- Fantasy4.1average 1.8
- Politics4.6average 2.6
- Mystery6.0average 4.1
- Violence6.2average 4.3
- Tension7.6average 6.1
- Family Dynamics6.2average 4.7
- Eroticism3.3average 1.8
Rarely in their work
- Nostalgia1.6, average 3.6
- Wholesome1.6, average 3.3
- Situational Comedy1.0, average 2.7
- Cringe Humor0.5, average 2.2
Works often with
People in at least two of their main titles.
Movies and TV shows
152020s
6 titles · average score 67
54
The Lost Princess (2025)
as Alec Touati
80
Daredevil: Born Again (2025)
TV show · as Devlin
The Boy That Never Was (2024)
TV show · as Dave Carrick
58
Then You Run (2023)
TV show · as Orin
65
In From the Cold (2022)
TV show · as Chauncey
81
Star Trek: Strange New Worlds (2022)
TV show · as Dr. Roger Korby
2010s
7 titles · average score 67
52
Misty Button (2019)
as James
58
Maze (2017)
as Bobby
70
Bull (2016)
TV show · as Nathan Alexander
66
Chicago P.D. (2014)
TV show · as Shane Sullivan
61
Halo: Nightfall (2014)
as Christian Ramsey (uncredited)
77
The Blacklist (2013)
TV show · as Skip Sutherland
82
Vikings (2013)
TV show · as Eirik
2000s
2 titles
Uncle Bill's Barrel (2008)
as Tom Lynch
Seacht (2008)
TV show · as Michael