Thomas Philip O'Neill
Acting 12 credits
Biography
Thomas Philip O'Neill works in acting. Archytele tracks 12 screen credits across canonical film and television databases.
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Frequent co-stars
Career timeline
The Mix
Writer's Block
The School Duel
Endless Sea
Mapplethorpe
FBIFBI
MINDHUNTER
Black Mass
NCIS: New Orleans
Law & Order: Special Victims Unit
Law & Order
Full Filmography
12 titles- The Mix (2026) as Sean Palermo
- Writer's Block (2025) as Matthew
- The School Duel (2024) as Pastor Mark
- Endless Sea (2022)
- Mapplethorpe (2019) as David Croland
- FBI (2018) as Neil Mosbach
- FBI (2018) as Dr. Neil Mosbach
- MINDHUNTER (2017) as Leo Buchanan
- Black Mass (2015) as FBI Wire Tech
- NCIS: New Orleans (2014) as Eddie Oberman
- Law & Order: Special Victims Unit (1999) as Rick Donnelly
- Law & Order (1990) as Dr. Neil Mosbach
Frequently Asked Questions
What movies or TV shows is Thomas Philip O'Neill best known for?
Thomas Philip O'Neill is widely recognized for notable roles and projects including FBI (2018), FBI (2018), MINDHUNTER (2017), Black Mass (2015).
How many credits does Thomas Philip O'Neill have?
Thomas Philip O'Neill has accumulated over 12 film and television credits across a career spanning from 1990 to 2026.