
Glenn Howerton
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.
TV Shows(30)

Sirens
Ethan Corbin II

Hot Ones Versus
Self

Velma
Fred (voice)

Welcome to Wrexham
Self

Snacked
Self

Abbott Elementary
Dennis

The Fugitive
Jerry Conwell

The Kelly Clarkson Show
Self

Under A Rock with Tig Notaro
Self - Guest

A.P. Bio
Jack Griffin

The Late Late Show with James Corden
Self - Guest

Fargo
Don Chumph

Late Night with Seth Meyers
Self - Guest

The Mindy Project
Cliff Gilbert

Unsupervised
Clint (voice)

Unsupervised
Dirt (voice)

Unsupervised
Clint / Dirt (voice)

Vietnam in HD
Don Devore

Conan
Self

Glenn Martin, DDS