Cillian O'Sullivan

Cillian O'Sullivan

Acting

Born:: 1989-09-28
Place of birth:: New York, USA

Known For

Vikings

Chicago P.D.

The Blacklist

FBI: Most Wanted

Daredevil: Born Again

Star Trek: Strange New Worlds

Bull

In From the Cold

Then You Run

The Boy That Never Was

Halo: Nightfall

6Degrees

Filmography

The Lost Princess

6.32025Alec Touati

Daredevil: Born Again

The Boy That Never Was

6.32024Dave Garrick

Then You Run

Star Trek: Strange New Worlds

7.92022Dr. Roger Korby

In From the Cold

6.62022Chauncey

FBI: Most Wanted

7.62020Scot Weitzen

Misty Button

Maze

Bull

7.12016Nathan Alexander

Halo: Nightfall

6.82014Christian Ramsey (uncredited)

Chicago P.D.

8.42014Shane Sullivan

The Blacklist

7.62013Skip Sutherland

Vikings

6Degrees

2012Conor Martin

Uncle Bill's Barrel

Uncle Bill's Barrel

Seacht