How old was Mattheau O'Brien in…

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Mattheau O'Brien was ? in No Choice as 'First Assistant Director'.

Movie Released: Sun, Jun 29 2025

Mattheau O'Brien was ? in The Front Room as 'First Assistant Director'.

Movie Released: Thu, Sep 05 2024

Mattheau O'Brien was ? in The Witching Hour as 'Editor'.

Movie Released: Wed, Mar 16 2022

Mattheau O'Brien was ? in 10 Things We Should Do Before We Break Up as 'Second Assistant Director'.

Movie Released: Thu, Mar 05 2020

Mattheau O'Brien was ? in Good Posture as 'First Assistant Director'.

Movie Released: Fri, Oct 04 2019

Mattheau O'Brien was ? in Super Dark Times as 'Second Assistant Director'.

Movie Released: Fri, Sep 29 2017

Mattheau O'Brien was ? in Robyn Hood: I Love NY as 'First Assistant Director'.

Movie Released: Thu, Oct 13 2016

Mattheau O'Brien was ? in Dead@17: Rebirth as 'First Assistant Director'.

Movie Released: Wed, Oct 12 2016

Mattheau O'Brien was ? in My First Miracle as 'First Assistant Director'.

Movie Released: Fri, Dec 04 2015

Mattheau O'Brien was ? in Living with the Dead: A Love Story as 'Assistant Director'.

Movie Released: Sat, Mar 28 2015

Mattheau O'Brien was ? in Fairfield as 'Director'.

Movie Released: Sun, Nov 02 2014

Mattheau O'Brien was ? in The Wheels as 'Assistant Director'.

Movie Released: Sun, Jan 01 2012

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