Cillian O'Sullivan

Cillian O'Sullivan

September 28, 1989 (36 years old)

New York, USA

Known for Acting

No biography available.

Discover More Acting Works

The Lost Princess

The Lost Princess

Alec Touati

2025

6.2

Daredevil: Born Again

Daredevil: Born Again

Devlin

2025

8.0

The Boy That Never Was

The Boy That Never Was

Dave Garrick

2024

6.1

Then You Run

Orin

2023

5.2

Star Trek: Strange New Worlds

Star Trek: Strange New Worlds

Dr. Roger Korby

2022

8.0

In From the Cold

In From the Cold

Chauncey

2022

6.6

Misty Button

James

2019

5.2

Maze

Bobby

2017

5.9

Bull

Nathan Alexander

2016

7.1

Halo: Nightfall

Halo: Nightfall

Christian Ramsey (uncredited)

2014

6.8

Chicago P.D.

Shane Sullivan

2014

8.4

The Blacklist

Skip Sutherland

2013

7.6

Vikings

Eirik

2013

8.1

No Image

Uncle Bill's Barrel

Tom Lynch

2008

No Image

Seacht

Michael

2008