Cillian O'Sullivan

Cillian O'Sullivan is an actor, known for 6Degrees (2012), An Cosc (2009) and Uncle Bill's Barrel (2008).

Cillian O'Sullivan's FILMOGRAPHY

Vikings - Season 6

The Blacklist - Season 10

Maze (2017)

Vikings - Season 1

Then You Run - Season 1

In from the Cold - Season 1

Vikings - Season 3

Bull - Season 6

Vikings - Season 2

Chicago P.D. - Season 6

Chicago P.D. - Season 8

Chicago P.D. - Season 7

FBI: Most Wanted - Season 2

The Blacklist - Season 6

The Boy That Never Was - Season 1

The Blacklist - Season 5

Daredevil: Born Again - Season 1

Chicago P.D. - Season 10

The Blacklist - Season 2

Halo: Nightfall

The Blacklist - Season 4

The Blacklist - Season 7

Chicago P.D. - Season 12

FBI: Most Wanted - Season 6

The Lost Princess

FBI: Most Wanted - Season 3