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
Complete Filmography

Fool's Paradise
2023
as Business Manager
A down-on-his-luck publicist discovers a recently released mental health patient who looks just like a misbehaving movie star. The publicist subs him ...

BlackBerry
2023
as Jim Balsillie
Two mismatched entrepreneurs – egghead innovator Mike Lazaridis and cut-throat businessman Jim Balsillie – joined forces in an endeavour that was to b...

The Send-Off
2022
Producer
When an actor throws an impromptu soirée at his Hollywood home, with only his closest friends in attendance, a fun evening devolves into something muc...

The Thief Collector
2022
as Jerry Alter
In 1985, Willem de Kooning’s “Woman-Ochre,” one of the most valuable paintings of the 20th century, vanished into the Arizona desert after being cut f...

How It Ends
2021
as John
Liza scores an invite to one last wild party before the world ends. But making it there won't be easy, as her car has been stolen, and the clock is ti...

Archenemy
2020
as The Manager
Max Fist claims he’s a hero from another dimension who has somehow landed on Earth and been stripped of his powers. Instead of treating him like a pow...

Mr. Bungle: The Night They Came Home
2020
as Audience
A reconstituted Mr. Bungle assembles in the Eureka public library to perform their unique brand of music.

The Hunt
2020
as Richard
Twelve strangers wake up in a clearing. They don't know where they are—or how they got there. In the shadow of a dark internet conspiracy theory, ruth...

Officer Downe
2016
as Dominic
A rookie cop is tasked with shadowing Officer Downe, a no-nonsense LAPD cop with regenerative powers, as he wages an ultra-violent war against the nef...

When Pigs Fly
2016
as Uncle Al
Uncle Al tells his niece Esme the story of how he once found a magical tree that could bring his drawings and sketches to life. The tree’s keeper, Gre...

All the Wilderness
2014
Executive Producer
Keeping to himself in the wake his father's death, James Charm finds refuge in solitary walks and creating morbid sketches — until a charismatic new f...

Coffee Town
2013
as Will
Will is a 30-something website manager who uses local café, Coffee Town, as his office. When the owners of the shop discuss plans to convert Coffee To...

A Tribute to Ryan Dunn
2011
as Self
Ryan Dunn's friends and family pay tribute to the 'Jackass' star with a look back at his extraordinary life. Join the gang as they come together to sh...

Everything Must Go
2011
as Gary
When an alcoholic relapses, causing him to lose his wife and his job, he holds a yard sale on his front lawn in an attempt to start over. A new neighb...

A Very Sunny Christmas
2009
as Dennis Reynolds
Dennis and Dee decide to teach Frank a lesson "A Christmas Carol"-style, and Mac and Charlie learn some shocking things about their childhood Christma...

A Very Sunny Christmas
2009
Executive Producer
Dennis and Dee decide to teach Frank a lesson "A Christmas Carol"-style, and Mac and Charlie learn some shocking things about their childhood Christma...

The Nightman Cometh: Live
2009
as Dennis Reynolds
The Nightman Cometh, the fictional rock opera from It's Always Sunny in Philadelphia, is brought to life at The Troubadour nightclub in April 2009, wr...

The Nightman Cometh: Live
2009
Executive Producer
The Nightman Cometh, the fictional rock opera from It's Always Sunny in Philadelphia, is brought to life at The Troubadour nightclub in April 2009, wr...

Crank: High Voltage
2009
as Doctor
Chelios faces a Chinese mobster who has stolen his nearly indestructible heart and replaced it with a battery-powered ticker that requires regular jol...

The Strangers
2008
as Mike
After a 4 a.m. knock at the door and haunting voices, Kristen McKay and James Hoyt’s remote getaway becomes a psychological night of terror as three m...

Two Weeks
2006
as Matthew Bergman
In this bittersweet comedy, four adult siblings gather at their dying mother's house in North Carolina for what they expect to be a quick, last goodby...

Crank
2006
as Doctor
Chev Chelios, a hit man wanting to go straight, lets his latest target slip away. Then he awakes the next morning to a phone call that informs him he ...

Serenity
2005
as Lilac Young Tough
When the renegade crew of Serenity agrees to hide a fugitive on their ship, they find themselves in an action-packed battle between the relentless mil...

Must Love Dogs
2005
as Michael
Sarah Nolan is a newly divorced woman cautiously rediscovering romance with the enthusiastic but often misguided help of her well-meaning family. As s...
E.D.N.Y.
2003
as Paul Webster
A supercharged, brilliant prosecutor leads a team of U.S. attorneys in the Eastern District of New York.

Monday Night Mayhem
2002
as Dick Ebersol
The early years of a television sports powerhouse are chronicled as ABC becomes a player in the NFL coverage by putting their full resources into a ma...