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.
Filmography39 titles
A Very Sunny Christmas
Fargo
It's Always Sunny in Philadelphia
The Simpsons
Welcome to Wrexham
ER
Vietnam in HD
Vietnam in HD
Abbott Elementary
Serenity
Family Guy
BlackBerry
Conan
American Dad!
The Thief Collector
A.P. Bio
Sirens
Unsupervised
Crank
The Hunt
The Kelly Clarkson Show
All the Wilderness
Glenn Martin, DDS
The Mindy Project
Everything Must Go
Crank: High Voltage
The Strangers
Two Weeks
Must Love Dogs
Monday Night Mayhem
The Cleveland Show
Archenemy
Jimmy Kimmel Live!
Late Night with Seth Meyers
How It Ends
Fool's Paradise
Officer Downe
The View
Velma