Cillian O'Sullivan
Cillian O'Sullivan's films and television credits on SectorZero.
- Known for
- Acting
- Born
- 1989-09-28 · New York, USA
Known for
- Vikings (2013) — Eirik
- The Blacklist (2013) — Skip Sutherland
- Chicago P.D. (2014) — Shane Sullivan
- Daredevil: Born Again (2025) — Devlin
- Star Trek: Strange New Worlds (2022) — Dr. Roger Korby
- FBI: Most Wanted (2020) — Scot Weitzen
- Bull (2016) — Nathan Alexander
- Halo: Nightfall (2014) — Christian Ramsey (uncredited)
- In From the Cold (2022) — Chauncey
- Maze (2017) — Bobby
- The Lost Princess (2025) — Alec Touati
- Then You Run (2023) — Orin
- The Boy That Never Was (2024) — Dave Garrick
- Misty Button (2019) — James
- Uncle Bill's Barrel (2008) — Tom Lynch
- Seacht (2008) — Michael