The Comedian List / Comedians / Glenn Howerton
American actor, comedian and producerGlenn Howerton
Dennis Reynolds on It's Always Sunny in Philadelphia, which he co-developed.
- Born
- April 13, 1976
- Known as
- American actor, comedian and producer
- On My Show Notes
- 1 episode

Who is Glenn Howerton?
Glenn Franklin Howerton III is an American actor, comedian, writer, and producer.
He is best known for playing Dennis Reynolds on the FX/FXX sitcom It's Always Sunny in Philadelphia, which he co-developed and serves as an executive producer and writer alongside the other main cast members.
Howerton's other notable performances include Cliff Gilbert on The Mindy Project, Don Chumph on the first season of Fargo, Jack Griffin on A.P. Bio, and Jim Balsillie in the film BlackBerry.
He also co-hosted The Always Sunny Podcast with his fellow It's Always Sunny co-stars and co-creators Rob McElhenney and Charlie Day.
On the podcasts
Full episodes where Glenn is a guest or comes up, newest first.
On My Show Notes
Live My Show Notes episode pages that mention Glenn Howerton.
- MyShowNotes ✓ Sam Morril on TYSO – #376
Glenn Howerton FAQ
Who is Glenn Howerton?
Glenn Franklin Howerton III is an American actor, comedian, writer, and producer.
How old is Glenn Howerton?
Glenn Howerton is 50, born April 13, 1976.
Where does Glenn Howerton come up on My Show Notes?
In Sam Morril on TYSO – #376.
If you like Glenn
More comics on the list who share stages and mics with Glenn.
Photos: Rick Glassman: Photo: Nan Palmero from San Antonio, TX, USA, CC BY 2.0, via Wikimedia Commons · Sam Morril: Photo: Raph_PH, CC BY 4.0, via Wikimedia Commons · Dave Attell: Photo: Mass Communication Specialist 1st Class Chad J. McNeeley, Public domain, via Wikimedia Commons · David Cross: Photo: Dan Depew, CC BY 4.0, via Wikimedia Commons · Jerrod Carmichael: Photo: CleftClips, CC BY 2.0, via Wikimedia Commons · Andrew Santino: Photo: Andrew Santino, CC BY 3.0, via Wikimedia Commons
Photo: Gage Skidmore, CC BY-SA 3.0, via Wikimedia Commons. Facts checked Oct 26, 2026. Bio from Wikipedia (revision 1381619445).
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Rick Glassman
Sam Morril
Dave Attell
David Cross
Jerrod Carmichael
Andrew Santino