Paul O'Brien

Acting

Biography

Paul O'Brien is an actor.

Known For

Person of Interest

Person of Interest

Law & Order

Law & Order

Law & Order

Law & Order: Criminal Intent

Law & Order: Criminal Intent

Elementary

Star Trek: Voyager

Star Trek: Voyager

The Practice

Angel

Law & Order: Organized Crime

Law & Order: Organized Crime

Redacted

Shirley

The Dangerous Book for Boys

The Dangerous Book for Boys

What's the Worst That Could Happen?

What's the Worst That Could Happen?

Henry's Crime

Soul Man