Cillian O'Sullivan

Cillian O'Sullivan

Acting

Born September 28, 1989 (age 36)

New York, USA

Filmography

The Lost Princess
Movie
The Lost Princess2025 · Alec Touati
Daredevil: Born Again
Series
Daredevil: Born Again2025 · Devlin
A Song
Movie
A Song2025
The Boy That Never Was
Series
The Boy That Never Was2024 · Dave Garrick
Then You Run
Series
Then You Run2023 · Orin
Star Trek: Strange New Worlds
Series
Star Trek: Strange New Worlds2022 · Dr. Roger Korby
In From the Cold
Series
In From the Cold2022 · Chauncey
FBI: Most Wanted
Series
FBI: Most Wanted2020 · Scot Weitzen
Misty Button
Movie
Misty Button2019 · James
Maze
Movie
Maze2017 · Bobby
Bull
Series
Bull2016 · Nathan Alexander
Halo: Nightfall
Movie
Halo: Nightfall2014 · Christian Ramsey (uncredited)
Chicago PD
★ 8.1Series
Chicago PD2014 · Shane Sullivan
The Blacklist
★ 7.9Series
The Blacklist2013 · Skip Sutherland
Vikings
★ 8.5Series
Vikings2013 · Eirik
Moon of Avellaneda
Movie
Moon of Avellaneda2012 · Conor Martin
Uncle Bill's Barrel
Movie
Uncle Bill's Barrel2008 · Tom Lynch
Seacht
Series
Seacht2008 · Michael