P.J. Byrne A graduate of Boston College with a double major in finance and theatre and an M.F.A. in Acting from the prestigious Theatre School at DePaul University, actor P.J. Byrne has compiled a long list of impressive film and television credits.
| Movie | Countdown | Father John | 2019-10-24 | 
| Movie | The Clapper | Mr. Caldwell | 2018-01-26 | 
| Movie | The 15:17 to Paris | Mr. Henry | 2018-02-07 | 
| Movie | Rampage | Nelson | 2018-04-11 | 
| Movie | Three Women | Barry | 2017-03-23 | 
| Movie | Home Again | Paul | 2017-09-07 | 
| Series | Vinyl | Scott Levitt | 2016-02-14 | 
| Movie | True Memoirs of an International Assassin | Trent | 2016-11-11 | 
| Movie | Eloise | Scott Carter | 2016-12-30 | 
| Movie | The Gift | Danny McDonald | 2015-07-31 | 
| Movie | Men of Granite | Brownie | 2015-02-06 | 
| Series | Blindspot | Douglas Winter | 2015-09-21 | 
| Series | Intelligence | Nelson | 2014-01-07 | 
| Movie | Walk of Shame | Moshe | 2014-05-02 | 
| Movie | K-11 | C.R. | 2013-03-15 | 
| Movie | The Wolf of Wall Street | Nicky "Rugrat" Koskoff | 2013-12-25 | 
| Series | The Legend of Korra | Bolin (voice) | 2012-04-14 | 
| Movie | Coffees | Barry | 2012-05-10 | 
| Movie | The Campaign | Rick | 2012-08-09 | 
| Movie | Son of Morning | Mitchell Zangwell | 2011-02-28 | 
| Movie | Horrible Bosses | Kenny Sommerfeld | 2011-07-08 | 
| Movie | Final Destination 5 | Isaac | 2011-08-12 | 
| Movie | The Candidate | Paul | 2011-08-24 | 
| Movie | Extraordinary Measures | Dr. Preston | 2010-01-21 | 
| Movie | Dinner for Schmucks | Davenport | 2010-07-30 | 
| Series | Three Rivers | Unknown | 2009-10-04 | 
| Movie | Finding Bliss | Gary | 2009-01-18 | 
| Series | Castle | Tony | 2009-03-09 | 
| Movie | Be Kind Rewind | Mr. Baker | 2008-01-20 | 
| Movie | Soul Men | Floyd's Doctor | 2008-11-07 | 
| Series | The Mentalist | Kieran Carruthers | 2008-09-23 | 
| Movie | Loveless in Los Angeles | Perry the casting director | 2007-01-01 | 
| Movie | Evan Almighty | Evan's Staffer | 2007-06-09 | 
| Movie | Charlie Wilson's War | Jim Van Wagenen | 2007-12-19 | 
| Series | Burn Notice | Unknown | 2007-06-28 | 
| Movie | Walkout | Teacher with Paddle | 2006-03-18 | 
| Movie | Bewitched | Writer | 2005-06-21 | 
| Series | It's Always Sunny in Philadelphia | Tad | 2005-08-04 | 
| Movie | Fun with Dick and Jane | Laughing Executive | 2005-12-21 | 
| Series | Reunion | Unknown | 2005-09-08 | 
| Series | Just Legal | Unknown | 2005-09-19 | 
| Series | Clubhouse | 2004-09-26 | |
| Series | Boston Legal | Unknown | 2004-10-03 | 
| Movie | Bruce Almighty | Panicked Newsroom Staffer | 2003-05-23 | 
| Movie | Blood Work | Forensics #2 | 2002-08-09 | 
| Movie | 29 Palms | The Doctor | 2002-07-29 | 
| Series | Crossing Jordan | Unknown | 2001-09-24 | 
| Movie | Max Keeble's Big Move | DJ/ Young Executive (Uncredited) | 2001-10-05 | 
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