Glenn Howerton
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.
The Strangers
(Mike)
Fool's Paradise
(Business Manager)
Crank: High Voltage
(Doctor)
Serenity
(Lilac Young Tough)
Everything Must Go
(Gary)
A Very Sunny Christmas
(Dennis Reynolds)
The Thief Collector
(Jerry Alter)
Coffee Town
(Will)
Crank
(Doctor)
BlackBerry
(Jim Balsillie)
Must Love Dogs
(Michael)
The Nightman Cometh: Live
(Dennis Reynolds)
A Tribute to Ryan Dunn
(Self)
Officer Downe
(Dominic)
When Pigs Fly
(Uncle Al)
Two Weeks
(Matthew Bergman)
Monday Night Mayhem
(Dick Ebersol)
The Hunt
(Richard)
Archenemy
(The Manager)
Mr. Bungle: The Night They Came Home
(Audience)
How It Ends
(John)
EDNY
(Paul Webster)
Abbott Elementary x It's Always Sunny Crossover Event
(Dennis Reynolds)
The Job
(Young Guy)
The View
(Self)
It's Always Sunny in Philadelphia
(Dennis Reynolds)
That '80s Show
(Corey Howard)
ER
(Nick Cooper)
Vietnam in HD
(Don Devore)
Glenn Martin, DDS
The Cleveland Show
American Dad!
(Animal Control Guy #1 (voice))
The Mindy Project
(Cliff Gilbert)
A.P. Bio
(Jack Griffin)
Welcome to Wrexham
(Self)
Jimmy Kimmel Live!
(Self)
The Kelly Clarkson Show
(Self)
Velma
(Fred (voice))
Snacked
(Self)
Unsupervised
(Clint / Dirt (voice))
Unsupervised
(Dirt (voice))
Unsupervised
(Clint (voice))
Under A Rock with Tig Notaro
(Self - Guest)
Late Night with Seth Meyers
(Self)
Fargo
(Don Chumph)
Family Guy
((voice))
Sirens
(Ethan Corbin II)
The Fugitive
(Jerry Conwell)
Conan
(Self)
The Send-Off
(Producer)
A Very Sunny Christmas
(Executive Producer)
All the Wilderness
(Executive Producer)
The Nightman Cometh: Live
(Executive Producer)
Boldly Going Nowhere
(Producer)
Boldly Going Nowhere
(Writer)
It's Always Sunny in Philadelphia
(Writer)
Unsupervised
(Producer)
It's Always Sunny in Philadelphia
(Director)
A.P. Bio
(Co-Executive Producer)
It's Always Sunny in Philadelphia
(Executive Producer)
A.P. Bio
(Director)