Thomas Philip O'Neill
Known For
All Movies (5)
- Writer's Block2025 · as Matthew
- The School Duel2024 · as Pastor Mark
- Endless Sea2022
- Mapplethorpe2019 · as David Croland
- Black Mass2015 · as FBI Wire Tech
All TV Shows (6)
- FBI2018 · as Neil Mosbach
- FBI2018 · as Dr. Neil Mosbach
- MINDHUNTER2017 · as Leo Buchanan
- NCIS: New Orleans2014 · as Eddie Oberman
- Law & Order: Special Victims Unit1999 · as Rick Donnelly
- Law & Order1990 · as Dr. Neil Mosbach