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Cillian O'Sullivan

Cillian O'Sullivan

Biography

No biography available for Cillian O'Sullivan.

Place of BirthNew York, USA

Known ForActing

Popularity0.5

Known For - Movies

The Lost Princess

The Lost Princess

2025

Misty Button

2019

Uncle Bill's Barrel

Known For - TV Shows

The Blacklist

The Blacklist

2013

Vikings

Vikings

2013

0.0

Uncle Bill's Barrel

2008

Halo: Nightfall

Halo: Nightfall

2014

Maze

Maze

2017

Chicago P.D.

8.4

Chicago P.D.

2014

Bull

Bull

2016

Daredevil: Born Again

Daredevil: Born Again

2025

Star Trek: Strange New Worlds

Star Trek: Strange New Worlds

2022

In From the Cold

In From the Cold

2022

The Boy That Never Was

The Boy That Never Was

2024

Then You Run

Then You Run

2023

Seacht

Seacht

2008

Cillian O'Sullivan - Actor Profile - Where to Watch | WhereToWatch.stream