About
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
The SimpsonsSeries • 1989
Family GuySeries • 1999
American Dad!Series • 2005
It's Always Sunny in PhiladelphiaSeries • 2005
FargoSeries • 2014
ERSeries • 1994
The Mindy ProjectSeries • 2012
Abbott ElementarySeries • 2021
The Cleveland ShowSeries • 2009
A.P. BioSeries • 2018
House of LiesSeries • 2012
VelmaSeries • 2023
The HuntMovie • 2020
Crank: High VoltageMovie • 2009
Glenn Martin, DDSSeries • 2009
CrankMovie • 2006
SerenityMovie • 2005
The StrangersMovie • 2008
SirensSeries • 2025
UnsupervisedSeries • 2012
The JobSeries • 2001
BlackBerryMovie • 2023
That '80s ShowSeries • 2002
The FugitiveSeries • 2020