P.J. Byrne is an American actor best known for his role as Kenny Sommerfeld in the 2011 feature film Horrible Bosses and for his recurring role as Irv Smiff in the comedy-drama television series The Game.
A graduate of Boston College with a double major in finance and theatre and an M.F.A. from the prestigious Theatre School at DePaul University, Byrne has compiled a long list of film and television credits.
He has played opposite Steve Carell in Dinner for Schmucks, Harrison Ford in Extraordinary Measures, Tom Hanks in Mike Nichols' Charlie Wilson's War, Will Ferrell and Nicole Kidman in Nora Ephron's Bewitched, Jack Black in Michel Gondry's Be Kind, Rewind, Jim Carrey in Bruce Almighty and Clint Eastwood in Bloodwork.
He also had a starring role in the 5th instalment of the Final Destination franchise for Warner Bros. In the film, Byrne's character meets a grisly demise.
Byrne's television credits include the role of Irv Smiff, the driven sports agent who represents a number of professional football players, on the BET series The Game.
He has appeared in guest roles on series such as Burn Notice, NCIS, Bones, It's Always Sunny in Philadelphia, Reno 911!, The West Wing, ER, Boston Legal, Desperate Housewives and The New Adventures of Old Christine.
In addition to his on screen roles, Byrne also voices one of the lead roles in the Nickelodeon series The Legend of Korra.
A Garden State native, Byrne was born in Maplewood, New Jersey and was raised in Old Tappan, New Jersey. He and his wife Jaime reside in Los Angeles.