Person · Actor
Glenn Howerton
- Also:
- Producer
- Writer
In short · Acting since 1989, 5 decades active, 34 credits.
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Sign in to contribute →Filmography · 29 of 29
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Actor
28 credits
Sirens(2025)
Ethan Corbin
TV
BlackBerry(2023)
Jim
Film
Velma(2023)
Fred
TV
The Thief Collector(2022)
Jerry
Film
How It Ends(2021)
John
Film
Abbott Elementary(2021)
Dennis (1 Episode)
TV
Mr. Bungle: The Night They Came Home(2020)
Audience
Film
Archenemy(2020)
The Manager
Film
The Fugitive(2020)
Jerry Conwell
TV
The Hunt(2020)
Richard
Film
A.P. Bio(2018)
Jack Griffin
TV
When Pigs Fly(2017)
Uncle Al
Film
Coffee Town(2013)
Will
Film
Vietnam in HD(2011)
Don Devore
TV
Everything Must Go(2010)
Gary
Film
The Cleveland Show(2009)
Ernie Krinklesac
TV
Crank: High Voltage(2009)
Doctor (uncredited)
Film
The Strangers(2008)
Mike
Film
Crank(2006)
Doctor
Film
Two Weeks(2006)
Matthew Bergman
Film
It's Always Sunny in Philadelphia(2005)
Actor
TV
Must Love Dogs(2005)
Michael
Film
Serenity(2005)
Lilac Young Tough
Film
That '80s Show(2002)
Corey Howard
TV
Monday Night Mayhem(2002)
Dick Ebersol
FilmIts Always Sunny In Philadelphia(2000)
Dennis Reynolds (177 Episodes)
TV
ER(1994)
Nick Cooper (6 Episodes)
TV
The Simpsons(1989)
Peter Linz (voice) (1 Episode)
TV
Producer
1 creditOriginals
Streaming originals this person worked on.
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Additional credits5Show
Non-headline appearances — talk-show, awards-show, panel, and archive-footage credits, kept separate from the main filmography.
- PaleyLive: It’s Always Sunny in Philadelphia 20th Anniversary Celebration!Self · 2025
- Under A Rock with Tig NotaroSelf - Guest · 2019
- Late Night with Seth MeyersSelf - Guest (2 Episodes) · 2014
- The Nightman Cometh Live!Self - 'Dennis' · 2009
- Jimmy Kimmel Live!Self (1 Episode) · 2003
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