Thomas Philip O'Neill
Acting
Biography
No overview available.
Known For
Acting History
2025
Writer's Block
as Matthew
2024
The School Duel
as Pastor Mark
2022
2019
Mapplethorpe
as David Croland
2018
FBI
TVas Neil Mosbach / Dr. Neil Mosbach / M.E. Dr. Neil Mosbach
2017
MINDHUNTER
TVas Leo Buchanan
2015
Black Mass
as FBI Wire Tech
2014
NCIS: New Orleans
TVas Eddie Oberman
1999
Law & Order: Special Victims Unit
TVas Rick Donnelly
1990
Law & Order
TVas Dr. Neil Mosbach