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Cillian O'Sullivan

Personal Information

Known ForActing
GenderMale
Birth DateSep 28, 1989 (37 years old)
Zodiac Sign♎Libra
Place of BirthNew York, USA
Career Span2012 – Present (15 yrs)
Known Credits15 Titles
Official Links
IMDbWWikidata
ActingPopularity Score 0.9

Cillian O'Sullivan

Also known as:Cillian O'SuilleabhainCillian Ó Súilleabháin
Total Works

15

4 movies • 11 shows

Avg Rating

7.3 / 10

across rated releases

Box Office

—

worldwide gross

Global Reach

#1

TMDB star index

Biography

No biography is currently available for Cillian O'Sullivan.

Signature Roles & Milestones

Vikings
8.1
Vikings
2013•series
as Eirik
The Blacklist
7.6
The Blacklist
2013•series
as Skip Sutherland
Chicago P.D.
8.4
Chicago P.D.
2014•series
as Shane Sullivan
Daredevil: Born Again
8.2
as Devlin

Photos & Headshots1

Full Filmography & Credits

Showing 15 titles featuring Cillian O'Sullivan

Vikings
8.1
1 eps
Vikings
2013•series

as Eirik

The Blacklist
7.6
2 eps
The Blacklist
2013•series

as Skip Sutherland

Chicago P.D.
8.4
1 eps
Chicago P.D.
2014•series

as Shane Sullivan

Daredevil: Born Again
8.2
3 eps

as Devlin

Star Trek: Strange New Worlds
7.9
4 eps

as Dr. Roger Korby

FBI: Most Wanted
7.6
1 eps
FBI: Most Wanted
2020•series

as Scot Weitzen

Bull
7.1
1 eps
Bull
2016•series

as Nathan Alexander

Halo: Nightfall
6.8
Halo: Nightfall
2014•movie

as Christian Ramsey (uncredited)

In From the Cold
6.7
8 eps
In From the Cold
2022•series

as Chauncey

Maze
5.8
Maze
2017•movie

as Bobby

The Lost Princess
6.3
The Lost Princess
2025•movie

as Alec Touati

Then You Run
5.1
8 eps
Then You Run
2023•series

as Orin

The Boy That Never Was
6.3
3 eps

as Dave Garrick

Misty Button
5.2
Misty Button
2019•movie

as James

6Degrees
18 eps
6Degrees
2012•series

as Conor Martin