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.
Born: 13 April 1976
Played In
PaleyLive: It’s Always Sunny in Philadelphia 20th Anniversary Celebration!
Self
Sirens
Ethan Corbin II
Hot Ones Versus
Self
Fool's Paradise
Business Manager
BlackBerry
Jim
Velma
Fred (voice)
Welcome to Wrexham
Self
The Thief Collector
Jerry Alter
Abbott Elementary
Dennis
How It Ends
John
Snacked
Self
Archenemy
The Manager
Mr. Bungle: The Night They Came Home
Audience
The Fugitive
Jerry Conwell
The Hunt
Richard
The Kelly Clarkson Show
Self
Under A Rock with Tig Notaro
Self - Guest
A.P. Bio
Jack Griffin
Officer Downe
Dominic
When Pigs Fly
Uncle Al
The Late Late Show with James Corden
Self - Guest
Fargo
Don Chumph
Late Night with Seth Meyers
Self - Guest
Coffee Town
Will
The Mindy Project
Cliff Gilbert
Unsupervised
Clint (voice)
Unsupervised
Clint / Dirt (voice)
Unsupervised
Dirt (voice)
A Tribute to Ryan Dunn
Self
Vietnam in HD
Don Devore
Everything Must Go
Gary
Conan
Self
A Very Sunny Christmas
Dennis Reynolds
The Cleveland Show
The Nightman Cometh: Live
Dennis Reynolds
Glenn Martin, DDS
Crank: High Voltage
Doctor (uncredited)
The Strangers
Mike
Free Radio
Self
Two Weeks
Matthew Bergman
Crank
Hospital Doctor
Serenity
Lilac Young Tough
It's Always Sunny in Philadelphia
Dennis Reynolds
Must Love Dogs
Michael
American Dad!
Animal Control Guy #1 (voice)
Jimmy Kimmel Live!
Self
E.D.N.Y.
Paul Webster
That '80s Show
Corey Howard
Monday Night Mayhem
Dick Ebersol
The Job
Young Guy
Family Guy
(voice)
The View
Self
ER
Nick Cooper
The Simpsons
Peter Linz (voice)