GLENN HOWERTON

Glenn Howerton
Glenn Howerton
Gender: Male
Known for: Acting
Birthday: April 13, 1976
Place of Birth: Okinawa, Japan

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.

Filmography

Starring

2025·
Sirens
Ethan Corbin II
Elliot
Self
2023·
Velma
Fred (voice)
Jim
Business Manager
Jerry Alter
Dennis
2021·
Snacked
Self
John
Jerry Conwell
2020·
Archenemy
The Manager
2020·
The Hunt
Richard
2018·
A.P. Bio
Jack Griffin
Dominic
Uncle Al
Self - Guest
2014·
Fargo
Don Chumph
Will
Clint (voice), Dirt (voice), Clint / Dirt (voice)
Cliff Gilbert
Don Devore
2010·
Conan
Self
Dennis Reynolds
Dennis Reynolds
Doctor (uncredited)
Self
Mike
2006·
Two Weeks
Matthew Bergman
2006·
Crank
Hospital Doctor
Animal Control Guy #1 (voice)
Michael
2005·
Serenity
Lilac Young Tough
2003·
E.D.N.Y.
Paul Webster
Corey Howard
Dick Ebersol
2001·
The Job
Young Guy
(voice)
1997·
The View
Self
1994·
ER
Nick Cooper
Peter Linz (voice)

Production

2018·
A.P. Bio
Director, Co-Executive Producer
Producer
Producer, Screenplay
Producer
Executive Producer
Executive Producer
Executive Producer
Writer, Producer
Executive Producer, Director, Writer