Cillian O’Sullivan
Known For
Chicago P.D.
Shane Sullivan
The Blacklist
Skip Sutherland
Vikings
Eirik
FBI: Most Wanted
Scot Weitzen
Bull
Nathan Alexander
Star Trek: Strange New Worlds
Dr. Roger Korby
Daredevil: Born Again
Devlin
In From the Cold
Chauncey
Then You Run
Orin
Halo: Nightfall
Christian Ramsey (uncredited)
The Lost Princess
Alec Touati