Glenn Howerton
Known for: Acting
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.
Filmography
Series
The Simpsons
Peter Linz (voice)
1989
Series
Family Guy
(voice)
1999
Series
Late Night with Seth Meyers
Self - Guest
2014
Series
American Dad!
Animal Control Guy #1 (voice)
2005
Series
The Kelly Clarkson Show
Self
2019
Series
Conan
Self
2010
Series
It's Always Sunny in Philadelphia
Dennis Reynolds
2005
Series
Fargo
Don Chumph
2014
Series
The View
Self
1997
Series
ER
Nick Cooper
1994
Series
The Late Late Show with James Corden
Self - Guest
2015
Series
Abbott Elementary
Dennis
2021
Series
Jimmy Kimmel Live!
Self
2003
Series
The Mindy Project
Cliff Gilbert
2012
Series
Welcome to Wrexham
Self
2022
Series
The Cleveland Show
2009
Film
The Hunt
Richard
2020
Series
Hot Ones Versus
Self
2024
Series
Velma
Fred (voice)
2023
Series
A.P. Bio
Jack Griffin
2018
Film
Crank
Hospital Doctor
2006
Film
Serenity
Lilac Young Tough
2005
Series
Sirens
Ethan Corbin II
2025
Series
Glenn Martin, DDS
2009
Film
Crank: High Voltage
Doctor (uncredited)
2009
Series
Snacked
Self
2021
Film
The Strangers
Mike
2008
Film
BlackBerry
Jim
2023
Series
Free Radio
Self
2008
Series
The Job
Young Guy
2001
Series
The Fugitive
Jerry Conwell
2020
Series
Unsupervised
Clint (voice)
2012
Series
Unsupervised
Dirt (voice)
2012
Series
Unsupervised
Clint / Dirt (voice)
2012
Film
Must Love Dogs
Michael
2005
Series
That '80s Show
Corey Howard
2002
Film
Archenemy
The Manager
2020
Series
Vietnam in HD
Don Devore
2011
Series
Under A Rock with Tig Notaro
Self - Guest
2019
Film
Fool's Paradise
Business Manager
2023
Film
How It Ends
John
2021
Film
Everything Must Go
Gary
2011
The Girlfriend
Elliot
Film
Two Weeks
Matthew Bergman
2006
Film
Officer Downe
Dominic
2016
Film
Coffee Town
Will
2013
Film
Mr. Bungle: The Night They Came Home
Audience
2020
Film
A Very Sunny Christmas
Dennis Reynolds
2009
Film
Monday Night Mayhem
Dick Ebersol
2002
Film
The Nightman Cometh: Live
Dennis Reynolds
2009
E.D.N.Y.
Paul Webster
2003
PaleyLive: It’s Always Sunny in Philadelphia 20th Anniversary Celebration!
Self
2025
Film
A Tribute to Ryan Dunn
Self
2011
Film
The Thief Collector
Jerry Alter
2022
Film
When Pigs Fly
Uncle Al
2016