Paul O'BrienPhotoPaul O'BrienPhotoPaul O'BrienGalleryPaul O'Brien is an actor.Known for8.1Person of Interest20117.6Elementary20127.8Star Trek: Voyager19957.9Angel19997.8ER1994ActorLaw & Order: Organized Crime20212 episodesLaw & Order: Organized CrimeSeason 2S2E19Dead PresidentsS2E22Friend or FoeShirley2020The Dangerous Book for Boys20181 episodeThe Dangerous Book for BoysSeason 1S1E4The Trojan War
