Cillian O'Sullivan
Person

Cillian O'Sullivan

Acting · Born 1989-09-28 · age 36 · New York, USA

7.0
Crowd average · 13 titles
14
Titles

Titles

Vikings
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8.1

Vikings

Mar 3, 2013
Actor
The Blacklist
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7.6

The Blacklist

Sep 23, 2013
Actor
Chicago P.D.
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8.4

Chicago P.D.

Jan 8, 2014
Actor
Daredevil: Born Again
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8.2

Daredevil: Born Again

Mar 4, 2025
Actor
Star Trek: Strange New Worlds
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8.0

Star Trek: Strange New Worlds

May 5, 2022
Actor
FBI: Most Wanted
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7.6

FBI: Most Wanted

Jan 7, 2020
Actor
Bull
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7.1

Bull

Sep 20, 2016
Actor
Halo: Nightfall
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6.8

Halo: Nightfall

Feb 5, 2014
Actor
In From the Cold
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6.7

In From the Cold

Jan 28, 2022
Actor
Maze
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5.8

Maze

Sep 22, 2017
Actor
The Lost Princess
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6.3

The Lost Princess

Oct 16, 2025
Actor
Then You Run
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4.9

Then You Run

Jul 7, 2023
Actor
The Boy That Never Was
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6.1

The Boy That Never Was

Sep 1, 2024
Actor
Misty Button
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5.2

Misty Button

Mar 17, 2019
Actor