Cillian O'Sullivan
Acting · 36 years old
New York, USA
Known For
Chicago P.D.
Shane Sullivan
Vikings
Eirik
Daredevil: Born Again
Devlin
Star Trek: Strange New Worlds
Dr. Roger Korby
The Blacklist
Skip Sutherland
Bull
Nathan Alexander
Halo: Nightfall
Christian Ramsey (uncredited)
In From the Cold
Chauncey
The Lost Princess
Alec Touati
The Boy That Never Was
Dave Garrick
Maze
Bobby
Misty Button
James
Then You Run
Orin