Cillian O'Sullivan
Acting
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Acting
The Lost Princess
as Alec Touati
Daredevil: Born Again
as Devlin
The Boy That Never Was
as Dave Garrick
Then You Run
as Orin
Star Trek: Strange New Worlds
as Dr. Roger Korby
In From the Cold
as Chauncey
Misty Button
as James
Maze
as Bobby
Bull
as Nathan Alexander
Halo: Nightfall
as Christian Ramsey (uncredited)
Chicago P.D.
as Shane Sullivan
The Blacklist
as Skip Sutherland
Vikings
as Eirik
Uncle Bill's Barrel
as Tom Lynch
Seacht
as Michael
