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

Chicago P.D. - Season 3

Vikings - Season 6

Chicago P.D. - Season 11

Chicago P.D. - Season 10

Bull - Season 2

The Blacklist - Season 8

FBI: Most Wanted - Season 5

Chicago P.D. - Season 7

The Blacklist - Season 1

Chicago P.D. - Season 9

The Blacklist - Season 10

Bull - Season 4

Vikings - Season 5

Taken Down - Season 1

Daredevil: Born Again - Season 1

In from the Cold - Season 1

The Blacklist - Season 5

The Blacklist - Season 4

The Blacklist - Season 9

FBI: Most Wanted - Season 3

FBI: Most Wanted - Season 4

The Boy That Never Was - Season 1

FBI: Most Wanted - Season 6

Vikings - Season 1

Chicago P.D. - Season 5

Chicago P.D. - Season 6