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Birthday
-
Place of Birth
New York, USA
Also Known As
Cillian O'Suilleabhain
Cillian Ó Súilleabháin
We don't have a biography for Cillian O'Sullivan.
The Blacklist
Vikings
Chicago P.D.
Star Trek: Strange New Worlds
Bull
Daredevil: Born Again
In From the Cold
The Boy That Never Was
2025
The Lost Princess
as Alec Touati
2019
Misty Button
as James
2017
Maze
as Bobby
2014
Halo: Nightfall
as Christian Ramsey (uncredited)
2008
Uncle Bill's Barrel
as Tom Lynch
