Cillian O'Sullivan

The Lost Princess

Movie · as Alec Touati

Daredevil: Born Again

TV · as Devlin · 3 eps

The Boy That Never Was

TV · as Dave Garrick · 3 eps

Then You Run

TV · as Orin · 8 eps

In From the Cold

TV · as Chauncey · 8 eps

Star Trek: Strange New Worlds

TV · as Dr. Roger Korby · 4 eps

FBI: Most Wanted

TV · as Scot Weitzen · 1 ep

Misty Button

Movie · as James

Maze

Movie · as Bobby

Bull

TV · as Nathan Alexander · 1 ep

Halo: Nightfall

Movie · as Christian Ramsey (uncredited)

Chicago P.D.

TV · as Shane Sullivan · 1 ep

Vikings

TV · as Eirik · 1 ep

The Blacklist

TV · as Skip Sutherland · 2 eps

6Degrees

TV · as Conor Martin · 18 eps

Uncle Bill's Barrel

Movie · as Tom Lynch

Seacht

TV · as Michael · 8 eps