Cillian O'Sullivan
Known For: Acting
Biography
No biography available for this person.
Filmography
2025
- Daredevil: Born Again as Devlin
- The Lost Princess as Alec Touati
2024
- The Boy That Never Was as Dave Garrick
2023
- Then You Run as Orin
2022
- Star Trek: Strange New Worlds as Dr. Roger Korby
- In From the Cold as Chauncey
2019
- Misty Button as James
2017
- Maze as Bobby
2016
- Bull as Nathan Alexander
2014
- Chicago P.D. as Shane Sullivan
- Halo: Nightfall as Christian Ramsey (uncredited)
2013
- The Blacklist as Skip Sutherland
- Vikings as Eirik
2008
- Uncle Bill's Barrel as Tom Lynch
- Seacht as Michael