Cillian O'Sullivan
Known for: Acting
Born: September 28, 1989
Known for
The Lost Princess
2025
Misty Button
2019
Uncle Bill's Barrel
2008
Vikings
2013
In From the Cold
2022
Then You Run
2023
Chicago P.D.
2014
Maze
2017
The Blacklist
2013
Bull
2016
Daredevil: Born Again
2025
Seacht
2008
Star Trek: Strange New Worlds
2022
The Boy That Never Was
2024
FBI: Most Wanted
2020
6Degrees
2012
Halo: Nightfall
2014