Cillian O'Sullivan
Acting1989 (37)New York, USA
No biography is available.
Known for
No biography is available.
2025The Lost PrincessMovieas Alec Touati2025Daredevil: Born AgainTV showas Devlin · 3 episodes2024The Boy That Never WasTV showas Dave Garrick · 3 episodes2023Then You RunTV showas Orin · 8 episodes2022Star Trek: Strange New WorldsTV showas Dr. Roger Korby · 4 episodes2022In From the ColdTV showas Chauncey · 8 episodes2020FBI: Most WantedTV showas Scot Weitzen · 1 episodes2019Misty ButtonMovieas James2017MazeMovieas Bobby2016BullTV showas Nathan Alexander · 1 episodes2014Halo: NightfallMovieas Christian Ramsey (uncredited)2014Chicago P.D.TV showas Shane Sullivan · 1 episodes2013The BlacklistTV showas Skip Sutherland · 2 episodes2013VikingsTV showas Eirik · 1 episodes20126DegreesTV showas Conor Martin · 18 episodes