Thomas Philip O'Neill
- Acting
Known for
Filmography
- The Mix · Sean Palermo
- CIA · Dr. Neil Mosbach
- Writer's Block · Matthew
- The School Duel · Pastor Mark
- Endless Sea
- Mapplethorpe · David Croland
- FBI · Neil Mosbach, Dr. Neil Mosbach
- MINDHUNTER · Leo Buchanan
- Black Mass · FBI Wire Tech
- NCIS: New Orleans · Eddie Oberman
- Law & Order: Special Victims Unit · Rick Donnelly
- Law & Order · Dr. Neil Mosbach