Thomas Philip O'Neill
Known For
TV
Law & Order: Special Victims Unit
Rick Donnelly
1999
TV
Law & Order
Dr. Neil Mosbach
1990
TV
FBI
Neil Mosbach
2018
TV
FBI
Dr. Neil Mosbach
2018
TV
FBI
M.E. Dr. Neil Mosbach
2018
TV
NCIS: New Orleans
Eddie Oberman
2014
TV
MINDHUNTER
Leo Buchanan
2017
Film
Black Mass
FBI Wire Tech
2015
Film
Mapplethorpe
David Croland
2019
Film
The School Duel
Pastor Mark
2024
Film
Writer's Block
Matthew
2025
Film
Endless Sea
2022
Filmography
2025FilmWriter's Blockas Matthew2024FilmThe School Duelas Pastor Mark2022FilmEndless Sea2019FilmMapplethorpeas David Croland2018TVFBIas Neil Mosbach2017TVMINDHUNTERas Leo Buchanan2015FilmBlack Massas FBI Wire Tech2014TVNCIS: New Orleansas Eddie Oberman1999TVLaw & Order: Special Victims Unitas Rick Donnelly1990TVLaw & Orderas Dr. Neil Mosbach