Cillian O'Sullivan

Cillian O'Sullivan

Acting Born: 1989-09-28 New York, USA

Known For

The Blacklist

The Blacklist

2013 ★ 7.6
Vikings

Vikings

2013 ★ 8.1
Chicago P.D.

Chicago P.D.

2014 ★ 8.4
Star Trek: Strange New Worlds

Star Trek: Strange New Worlds

2022 ★ 7.9
FBI: Most Wanted

FBI: Most Wanted

2020 ★ 7.6
Daredevil: Born Again

Daredevil: Born Again

2025 ★ 8.2
Bull

Bull

2016 ★ 7.0
In From the Cold

In From the Cold

2022 ★ 6.7
Halo: Nightfall

Halo: Nightfall

2014 ★ 6.8
The Boy That Never Was

The Boy That Never Was

2024 ★ 6.3
The Lost Princess

The Lost Princess

2025 ★ 6.3
Then You Run

Then You Run

2023 ★ 4.9
Seacht

Seacht

2008 ★ 0.0
Maze

Maze

2017 ★ 5.8
6Degrees

6Degrees

2012 ★ 0.0
Misty Button

Misty Button

2019 ★ 5.2
Uncle Bill's Barrel

Uncle Bill's Barrel

2008 ★ 0.0