Glenn Howerton
Acting
56
Acting Credits
2
Directed
Biography
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
Filmography
PaleyLive: It’s Always Sunny in Philadelphia 20th Anniversary Celebration!
2025
as Self
Sirens
2025
as Ethan Corbin II
Hot Ones Versus
2024
as Self
Fool's Paradise
2023
as Business Manager
BlackBerry
2023
as Jim
Velma
2023
as Fred (voice)
BlackBerry: The Limited Series
2023
The Thief Collector
2022
as Jerry Alter
Welcome to Wrexham
2022
as Self
How It Ends
2021
as John
Snacked
2021
as Self
Abbott Elementary
2021
as Dennis
The Hunt
2020
as Richard
Archenemy
2020
as The Manager
Mr. Bungle: The Night They Came Home
2020
as Audience
The Fugitive
2020
as Jerry Conwell
The Kelly Clarkson Show
2019
as Self
Under A Rock with Tig Notaro
2019
as Self - Guest
A.P. Bio
2018
as Jack Griffin
Officer Downe
2016
as Dominic
When Pigs Fly
2016
as Uncle Al
The Late Late Show with James Corden
2015
as Self - Guest
Fargo
2014
as Don Chumph
Late Night with Seth Meyers
2014
as Self - Guest
Coffee Town
2013
as Will
The Mindy Project
2012
as Cliff Gilbert
Unsupervised
2012
as Clint (voice)
Unsupervised
2012
as Clint / Dirt (voice)
Unsupervised
2012
as Dirt (voice)
House of Lies
2012
as Seth Buckley
Everything Must Go
2011
as Gary
A Tribute to Ryan Dunn
2011
as Self
Vietnam in HD
2011
as Don Devore
Conan
2010
as Self
Crank: High Voltage
2009
as Doctor (uncredited)
A Very Sunny Christmas
2009
as Dennis Reynolds
The Nightman Cometh: Live
2009
as Dennis Reynolds
Glenn Martin, DDS
2009
The Cleveland Show
2009
The Strangers
2008
as Mike
Free Radio
2008
as Self
Crank
2006
as Hospital Doctor
Two Weeks
2006
as Matthew Bergman
Serenity
2005
as Lilac Young Tough
Must Love Dogs
2005
as Michael
It's Always Sunny in Philadelphia
2005
as Dennis Reynolds
American Dad!
2005
as Animal Control Guy #1 (voice)
E.D.N.Y.
2003
as Paul Webster
Jimmy Kimmel Live!
2003
as Self
Monday Night Mayhem
2002
as Dick Ebersol
That '80s Show
2002
as Corey Howard
The Job
2001
as Young Guy
Family Guy
1999
as (voice)
The View
1997
as Self
ER
1994
as Nick Cooper
The Simpsons
1989
as Peter Linz (voice)