Cillian O'Sullivan
Known For
The Blacklist
Vikings
Chicago P.D.
Daredevil: Born Again
FBI: Most Wanted
Bull
Star Trek: Strange New Worlds
The Lost Princess
All Movies (5)
- The Lost Princess2025 · as Alec Touati
- Misty Button2019 · as James
- Maze2017 · as Bobby
- Halo: Nightfall2014 · as Christian Ramsey (uncredited)
- Uncle Bill's Barrel2008 · as Tom Lynch
All TV Shows (11)
- Daredevil: Born Again2025 · as Devlin
- The Boy That Never Was2024 · as Dave Garrick
- Then You Run2023 · as Orin
- Star Trek: Strange New Worlds2022 · as Dr. Roger Korby
- In From the Cold2022 · as Chauncey
- FBI: Most Wanted2020 · as Scot Weitzen
- Bull2016 · as Nathan Alexander
- Chicago P.D.2014 · as Shane Sullivan
- The Blacklist2013 · as Skip Sutherland
- Vikings2013 · as Eirik
- Seacht2008 · as Michael