Acting
Paul O'Brien is an actor.
Person of Interest
2011 · Andrew Monahan
Elementary
2012 · Paul Fontino
Star Trek: Voyager
1995 · Geral
Angel
1999 · Captain
ER
1994 · Kicking Patient
Law & Order
1990 · Ronald Corwin
Henry's Crime
2010 · Head Parole Reviewer
Law & Order: Criminal Intent
2001 · Pete Wheeler
What's the Worst That Could Happen?
2001 · Officer Overkraut
Law & Order: Organized Crime
2021 · Gus Hanson
Shirley
2020 · Dean
Redacted
2007 · McCoy's Father
The Dangerous Book for Boys
2018 · Old Guy Joe
Search Party
2016 · Frank
Manhattan Romance
2015 · Uncle Bob
OM CITY
2015 · Paul
The Practice
1997 · D.A. Peter Thompson
Soul Man
1986 · Officer Schkolnick
A Case of Deadly Force
1986 · Ken Mooney
