Thomas Philip O'Neill

The talent

Thomas Philip O'Neill

Acting

IMDB ↗

Role Type Sort Decade Genre

The work

Law & Order: Special Victims Unit

1999

Law & Order: Special Victims Unit Rick Donnelly

Black Mass

Black Mass FBI Wire Tech

MINDHUNTER

2017

MINDHUNTER Leo Buchanan

FBI

2018

FBI Neil Mosbach

Law & Order

1990

Law & Order Dr. Neil Mosbach

NCIS: New Orleans

2014

NCIS: New Orleans Eddie Oberman

Mapplethorpe

Mapplethorpe David Croland

The Mix

The Mix Sean Palermo

Writer's Block

Writer's Block Matthew

The School Duel

The School Duel Pastor Mark

Endless Sea