Thomas Philip O'NeillActingNo biography available.Known ForView all (7)7.9FBI20186.5Black Mass20156.2Mapplethorpe2019Endless Sea2022The Mix2026The School Duel2024Fan ClubNo Nerds have favorited Thomas Philip O'Neill yet — be the first.All fan clubsFrom NerdspinFilmographyActor13Upcoming12026CIATVDr. Neil Mosbach • 1 episodes★ 8.42026The MixFilmSean Palermo2025Writer's BlockFilmMatthew2024The School DuelFilmPastor Mark2022Endless SeaFilm2019MapplethorpeFilmDavid Croland★ 6.22018FBITVNeil Mosbach • 13 episodes★ 7.92018FBITVDr. Neil Mosbach • 11 episodes★ 7.92017MINDHUNTERTVLeo Buchanan • 1 episodes★ 8.12015Black MassFilmFBI Wire Tech★ 6.52014NCIS: New OrleansTVEddie Oberman • 1 episodes★ 7.31999Law & Order: Special Victims UnitTVRick Donnelly • 1 episodes★ 8.01990Law & OrderTVDr. Neil Mosbach • 2 episodes★ 7.3
