Glenn Howerton
Known for acting · Born 13 April 1976 · 50 · Okinawa, Japan
66 credits
Glenn Franklin Howerton III (born April 13, 1976) is an American actor of television and film. He is best-known for his role as Dennis Reynolds on FX's It's Always Sunny in Philadelphia (on which he is also a writer and executive producer). He also played Corey Howard on the short-lived 2002 sitcom That '80s Show. Description above from the Wikipedia article Glenn Franklin Howerton, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Known for
It's Always Sunny in Philadelphia
2005
A.P. Bio
2018
BlackBerry
2023
The Strangers
2008
The Cleveland Show
2009
Velma
2023
The Mindy Project
2012
ER
1994
Coffee Town
2013
Crank
2006
Fargo
2014
Family Guy
1999
Acting (55)
2025SirensEthan Corbin II · 5 episodesSeries
2025PaleyLive: It’s Always Sunny in Philadelphia 20th Anniversary Celebration!SelfFilm
2024Hot Ones VersusSelfSeries
2023BlackBerryJimFilm
2023VelmaFred (voice) · 21 episodesSeries
2023Fool's ParadiseBusiness ManagerFilm
2023BlackBerry: The Limited Series · 3 episodesSeries
2022Welcome to WrexhamSelfSeries
2022The Thief CollectorJerry AlterFilm
2021Abbott ElementaryDennisSeries
2021How It EndsJohnFilm
2021SnackedSelfSeries
2020The HuntRichardFilm
2020ArchenemyThe ManagerFilm
2020The FugitiveJerry Conwell · 5 episodesSeries
2020Mr. Bungle: The Night They Came HomeAudienceFilm
2019The Kelly Clarkson ShowSelf · 2 episodesSeries
2019Under A Rock with Tig NotaroSelf - GuestSeries
2018A.P. BioJack Griffin · 42 episodesSeries
2016Officer DowneDominicFilm
2016When Pigs FlyUncle AlFilm
2015The Late Late Show with James CordenSelf - GuestSeries
2014FargoDon Chumph · 5 episodesSeries
2014Late Night with Seth MeyersSelf - Guest · 2 episodesSeries
2013Coffee TownWillFilm
2012House of LiesSeth Buckley · 4 episodesSeries
2012The Mindy ProjectCliff Gilbert · 13 episodesSeries
2012UnsupervisedClint (voice) · 2 episodes, Clint / Dirt (voice)Series
2011Everything Must GoGaryFilm
2011Vietnam in HDDon Devore · 6 episodesSeries
2011A Tribute to Ryan DunnSelfFilm
2010ConanSelfSeries
2009Crank: High VoltageDoctor (uncredited)Film
2009The Cleveland Show · 20 episodesSeries
2009Glenn Martin, DDS · 2 episodesSeries
2009A Very Sunny ChristmasDennis ReynoldsFilm
2009The Nightman Cometh: LiveDennis ReynoldsFilm
2008The StrangersMikeFilm
2008Free RadioSelfSeries
2006CrankHospital DoctorFilm
2006Two WeeksMatthew BergmanFilm
2005SerenityLilac Young ToughFilm
2005American Dad!Animal Control Guy #1 (voice)Series
2005It's Always Sunny in PhiladelphiaDennis Reynolds · 183 episodesSeries
2005Must Love DogsMichaelFilm
2003Jimmy Kimmel Live!SelfSeries
2003E.D.N.Y.Paul WebsterFilm
2002That '80s ShowCorey Howard · 13 episodesSeries
2002Monday Night MayhemDick EbersolFilm
2001The JobYoung GuySeries
1999Family Guy(voice) · 3 episodesSeries
1997The ViewSelfSeries
1994ERNick Cooper · 6 episodesSeries
1989The SimpsonsPeter Linz (voice)Series
—The GirlfriendElliotFilm
Creator (1)
2014It's Always Sunny in MoscowCreatorSeries
Production (6)
2022The Send-OffProducerFilm
2018A.P. BioCo-Executive Producer, DirectorSeries
2014All the WildernessExecutive ProducerFilm
2012UnsupervisedProducerSeries
2009A Very Sunny ChristmasExecutive ProducerFilm
2009The Nightman Cometh: LiveExecutive ProducerFilm
Writing (4)
2008Boldly Going NowhereWriter, ProducerSeries
2005It's Always Sunny in PhiladelphiaWriter, Director, Executive ProducerSeries
—The GirlfriendScreenplay, ProducerFilm
—Boldly Going NowhereWriter, Executive ProducerFilm