How old was Cillian O'Sullivan in…

Sorted by Release Date

Cillian O'Sullivan was ? in Blue Moon

Movie Released: Tue, Feb 18 2025

Cillian O'Sullivan was ? in The Lost Princess as 'Alec Touati'.

Movie Released: Tue, Aug 15 2023

Cillian O'Sullivan was ? in Misty Button as 'James'.

Movie Released: Sun, Mar 17 2019

Cillian O'Sullivan was ? in Maze as 'Bobby'.

Movie Released: Fri, Sep 22 2017

Cillian O'Sullivan was ? in Halo: Nightfall as 'Christian Ramsey (uncredited)'.

Movie Released: Wed, Feb 05 2014

Cillian O'Sullivan was ? in Uncle Bill's Barrel as 'Tom Lynch'.

Movie Released: Sat, Oct 18 2008

Sorted by Release Date
Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages

Cillian O'Sullivan was ? in Daredevil: Born Again as 'Devlin'.

TV Show Released: First Air Date
Tue, Mar 04 2025

Cillian O'Sullivan was ? in The Boy That Never Was as 'Dave Carrick'.

TV Show Released: First Air Date
Sun, Sep 01 2024

Cillian O'Sullivan was ? in Then You Run as 'Orin'.

TV Show Released: First Air Date
Fri, Jul 07 2023

Cillian O'Sullivan was ? in In From the Cold as 'Chauncey'.

TV Show Released: First Air Date
Fri, Jan 28 2022

Cillian O'Sullivan was ? in Bull as 'Nathan Alexander'.

TV Show Released: First Air Date
Tue, Sep 20 2016

Cillian O'Sullivan was ? in Chicago P.D. as 'Shane Sullivan'.

TV Show Released: First Air Date
Wed, Jan 08 2014

Cillian O'Sullivan was ? in The Blacklist as 'Skip Sutherland'.

TV Show Released: First Air Date
Mon, Sep 23 2013

Cillian O'Sullivan was ? in Vikings as 'Eirik'.

TV Show Released: First Air Date
Sun, Mar 03 2013