
Glenn Howerton
Department: Acting
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

The Strangers
2008

Fool's Paradise
2023

Crank: High Voltage
2009

Serenity
2005

Everything Must Go
2011

A Very Sunny Christmas
2009

The Thief Collector
2022

Coffee Town
2013

Crank
2006

BlackBerry
2023

Must Love Dogs
2005

The Nightman Cometh: Live
2009

A Tribute to Ryan Dunn
2011

Officer Downe
2016

When Pigs Fly
2016

Two Weeks
2006

Monday Night Mayhem
2002

The Hunt
2020

Archenemy
2020

Mr. Bungle: The Night They Came Home
2020

How It Ends
2021

E.D.N.Y.
2003

PaleyLive: It’s Always Sunny in Philadelphia 20th Anniversary Celebration!
2025

The Job
2001

The View
1997

It's Always Sunny in Philadelphia
2005

That '80s Show
2002

ER
1994

Vietnam in HD
2011

Glenn Martin, DDS
2009

The Cleveland Show
2009

American Dad!
2005

The Mindy Project
2012

A.P. Bio
2018

Welcome to Wrexham
2022

Jimmy Kimmel Live!
2003

The Kelly Clarkson Show
2019

Velma
2023

Snacked
2021

Unsupervised
2012

Unsupervised
2012

Unsupervised
2012

Under A Rock with Tig Notaro
2019

Fargo
2014

Family Guy
1999

Sirens
2025

The Fugitive
2020

Conan
2010

Abbott Elementary
2021

Hot Ones Versus
2024

The Simpsons
1989

Late Night with Seth Meyers
2014

Free Radio
2008

The Late Late Show with James Corden
2015