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

Bull - Season 6

FBI: Most Wanted - Season 2

The Blacklist - Season 9

Bull - Season 4

Chicago P.D. - Season 10

Bull - Season 3

In from the Cold - Season 1

The Blacklist - Season 2

Bull - Season 2

The Blacklist - Season 1

Vikings - Season 3

The Blacklist - Season 5

The Blacklist - Season 7

Daredevil: Born Again - Season 1

Vikings - Season 4

The Blacklist - Season 3

FBI: Most Wanted - Season 3

Chicago P.D. - Season 4

The Blacklist - Season 6

Vikings - Season 2

Chicago P.D. - Season 11

Chicago P.D. - Season 9

Halo: Nightfall

The Lost Princess

FBI: Most Wanted - Season 4