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