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