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Cillian O'Sullivan

Acting

Born September 28, 1989 · New York, USA

Also known as Cillian O'Suilleabhain · Cillian Ó Súilleabháin

IMDb

Filmography13 titles

Chicago P.D.

2014as Shane Sullivan

Daredevil: Born Again

2025as Devlin

Vikings

2013as Eirik

Star Trek: Strange New Worlds

2022as Dr. Roger Korby

FBI: Most Wanted

2020as Scot Weitzen

The Blacklist

2013as Skip Sutherland

Bull

2016as Nathan Alexander

In from the Cold

2022as Chauncey

The Lost Princess

2025as Alec Touati

The Boy That Never Was

as Dave Garrick

Maze

2017as Bobby

Misty Button

2019as James

Then You Run

2023as Orin