Cillian O'Sullivan

★ Acting #65,914

1989 (36) • Acting

Born: 9/28/1989 (36) in New York, USA

Known for: Acting

Cillian O'Sullivan

★ Acting #65,914

Known For

Vikings

81%

Eirik

2013

The Blacklist

76%

Skip Sutherland

2013

Chicago P.D.

84%

Shane Sullivan

2014

Daredevil: Born Again

82%

Devlin

2025

Star Trek: Strange New Worlds

79%

Dr. Roger Korby

2022

Bull

71%

Nathan Alexander

2016

In From the Cold

67%

Chauncey

2022

The Lost Princess

63%

Alec Touati

2025

The Lost Princess

63%

Alec Touati

2025

Daredevil: Born Again

82%

Devlin

2025

The Boy That Never Was

63%

Dave Garrick

2024

Then You Run

51%

Orin

2023

Star Trek: Strange New Worlds

79%

Dr. Roger Korby

2022

In From the Cold

67%

Chauncey

2022

Misty Button

52%

James

2019

Maze

58%

Bobby

2017

Bull

71%

Nathan Alexander

2016

Halo: Nightfall

68%

Christian Ramsey (uncredited)

2014

Chicago P.D.

84%

Shane Sullivan

2014

The Blacklist

76%

Skip Sutherland

2013

Vikings

81%

Eirik

2013

Uncle Bill's Barrel

Tom Lynch

2008

Seacht

Michael

2008

Saved Queries & Lists

Cillian O'Sullivan

Cillian O'Sullivan

Known For

Vikings

The Blacklist

Chicago P.D.

Daredevil: Born Again

Star Trek: Strange New Worlds

Bull

In From the Cold

The Lost Princess

The Lost Princess

Daredevil: Born Again

The Boy That Never Was

Then You Run

Star Trek: Strange New Worlds

In From the Cold

Misty Button

Maze

Bull

Halo: Nightfall

Chicago P.D.

The Blacklist

Vikings

Uncle Bill's Barrel

Seacht

Filters

Release Date

Genres