Cillian O'Sullivan
Acting
New York, USAPersonal Details
Also Known As
Cillian O'Suilleabhain
Cillian Ó Súilleabháin
Movies (5)
TV Shows (10)
8.0
Daredevil: Born Again
as Devlin
2025
6.0
The Boy That Never Was
as Dave Garrick
2024
5.6
Then You Run
as Orin
2023
8.0
Star Trek: Strange New Worlds
as Dr. Roger Korby
2022
6.7
In From the Cold
as Chauncey
2022
7.1
Bull
as Nathan Alexander
2016
8.4
Chicago P.D.
as Shane Sullivan
2014
7.6
The Blacklist
as Skip Sutherland
2013
8.1
Vikings
as Eirik
2013
Seacht
as Michael
2008