Thomas Philip O'Neill
Known For
Black Mass
Movie | 2015
MINDHUNTER
TV | 2017
Mapplethorpe
Movie | 2019
All Credits
Movie Credits
TV Credits
Writer's Block
Movie | 2025
Matthew
The School Duel
Movie | 2024
Pastor Mark
Law & Order: Special Victims Unit
TV | 2024
Rick Donnelly
One Episode
FBI
TV | 2024
Dr. Neil Mosbach
4 Episodes
NCIS: New Orleans
TV | 2021
Eddie Oberman
One Episode
Mapplethorpe
Movie | 2019
David Croland
FBI
TV | 2018
Neil Mosbach
13 Episodes
MINDHUNTER
TV | 2017
Leo Buchanan
One Episode
Black Mass
Movie | 2015
FBI Wire Tech
Writer's Block
Movie | 2025
Matthew
The School Duel
Movie | 2024
Pastor Mark
Mapplethorpe
Movie | 2019
David Croland
Black Mass
Movie | 2015
FBI Wire Tech
Law & Order: Special Victims Unit
TV | 2024
Rick Donnelly
One Episode
FBI
TV | 2024
Dr. Neil Mosbach
4 Episodes
NCIS: New Orleans
TV | 2021
Eddie Oberman
One Episode
FBI
TV | 2018
Neil Mosbach
13 Episodes
MINDHUNTER
TV | 2017
Leo Buchanan
One Episode
