Cillian O'Sullivan
Actor
Born Sep 28, 1989 · New York, USA
Active 2008–present
Filmography
Daredevil: Born Again (2025) — DevlinThe Lost Princess (2025) — Alec TouatiVikings (2013) — EirikChicago P.D. (2014) — Shane SullivanThe Blacklist (2013) — Skip SutherlandStar Trek: Strange New Worlds (2022) — Dr. Roger KorbyFBI: Most Wanted (2020) — Scot WeitzenBull (2016) — Nathan AlexanderHalo: Nightfall (2014) — Christian Ramsey (uncredited)In From the Cold (2022) — ChaunceyMaze (2017) — BobbyThe Boy That Never Was (2024) — Dave GarrickThen You Run (2023) — OrinMisty Button (2019) — JamesUncle Bill's Barrel (2008) — Tom LynchSeacht (2008) — Michael6Degrees (2012) — Conor Martin