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PeopleActors & creators

Thomas Philip O'Neill

Thomas Philip O'Neill

Department: Acting

Known For

Black Mass

Black Mass

2015

The School Duel

The School Duel

2024

Mapplethorpe

Mapplethorpe

2019

Writer's Block

Writer's Block

2025

Endless Sea

Endless Sea

2022

NCIS: New Orleans

NCIS: New Orleans

2014

MINDHUNTER

MINDHUNTER

2017

FBI

FBI

2018

Law & Order: Special Victims Unit

Law & Order: Special Victims Unit

1999

FBI

FBI

2018

FBI

FBI

2018

Law & Order

Law & Order

1990