
Glenn Howerton
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
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Filmography
Acting (54)
Movies (23)
PaleyLive: It’s Always Sunny in Philadelphia 20th Anniversary Celebration!
2025as Self
Fool's Paradise
2023as Business Manager
BlackBerry
2023as Jim
The Thief Collector
2022as Jerry Alter
How It Ends
2021as John
The Hunt
2020as Richard
Archenemy
2020as The Manager
Mr. Bungle: The Night They Came Home
2020as Audience
Officer Downe
2016as Dominic
When Pigs Fly
2016as Uncle Al
Coffee Town
2013as Will
Everything Must Go
2011as Gary
A Tribute to Ryan Dunn
2011as Self
Crank: High Voltage
2009as Doctor (uncredited)
The Nightman Cometh: Live
2009as Dennis Reynolds
A Very Sunny Christmas
2009as Dennis Reynolds
The Strangers
2008as Mike
Crank
2006as Hospital Doctor
Two Weeks
2006as Matthew Bergman
Serenity
2005as Lilac Young Tough
Must Love Dogs
2005as Michael
E.D.N.Y.
2003as Paul Webster
Monday Night Mayhem
2002as Dick Ebersol
Television (31)
Sirens
2025as Ethan Corbin II
Hot Ones Versus
2024as Self
Velma
2023as Fred (voice)
BlackBerry
2023as Jim Balsillie
Welcome to Wrexham
2022as Self
Abbott Elementary
2021as Dennis
Snacked
2021as Self
The Fugitive
2020as Jerry Conwell
The Kelly Clarkson Show
2019as Self
Under A Rock with Tig Notaro
2019as Self - Guest
A.P. Bio
2018as Jack Griffin
The Late Late Show with James Corden
2015as Self - Guest
Late Night with Seth Meyers
2014as Self - Guest
Fargo
2014as Don Chumph
The Mindy Project
2012as Cliff Gilbert
Unsupervised
2012as Clint (voice)
Vietnam in HD
2011as Don Devore
Conan
2010as Self
The Cleveland Show
2009
Glenn Martin, DDS
2009
Free Radio
2008as Self
American Dad!
2005as Animal Control Guy #1 (voice)
It's Always Sunny in Philadelphia
2005as Dennis Reynolds
It's Always Sunny in Philadelphia
2005as Dennis Reynolds
Jimmy Kimmel Live!
2003as Self
That '80s Show
2002as Corey Howard
The Job
2001as Young Guy
Family Guy
1999as (voice)
The View
1997as Self
ER
1994as Nick Cooper
The Simpsons
1989as Peter Linz (voice)
Crew (12)
Movies (4)
Television (8)
A.P. Bio
2018Co-Executive Producer
A.P. Bio
2018Director
Unsupervised
2012Producer
Boldly Going Nowhere
2008Producer
Boldly Going Nowhere
2008Writer
It's Always Sunny in Philadelphia
2005Director
It's Always Sunny in Philadelphia
2005Executive Producer
It's Always Sunny in Philadelphia
2005Writer
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