Cillian O'Sullivan

Cillian O'Sullivan

Acting

Born September 28, 1989 · New York, USA

Known for

Vikings

Vikings

2013

Chicago P.D.

Chicago P.D.

2014

The Blacklist

The Blacklist

2013

FBI: Most Wanted

FBI: Most Wanted

2020

Bull

Bull

2016

Star Trek: Strange New Worlds

Star Trek: Strange New Worlds

2022

Daredevil: Born Again

Daredevil: Born Again

2025

In From the Cold

In From the Cold

2022

Acting(17)

2025The Lost PrincessAlec Touati

2025Daredevil: Born AgainDevlin

2024The Boy That Never WasDave Garrick

2023Then You RunOrin

2022Star Trek: Strange New WorldsDr. Roger Korby

2022In From the ColdChauncey

2020FBI: Most WantedScot Weitzen

2019Misty ButtonJames

2016BullNathan Alexander

2014Halo: NightfallChristian Ramsey (uncredited)

2014Chicago P.D.Shane Sullivan

2013The BlacklistSkip Sutherland

2013VikingsEirik

20126DegreesConor Martin

2008Uncle Bill's BarrelTom Lynch

2008SeachtMichael

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