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Photo of Glenn Howerton

Photo: Gage Skidmore / CC BY-SA 3.0 (source: Wikimedia Commons)

Glenn Howerton

グレン・ハワートン / ぐれん・はわーとん

American actor

April 13, 1976 (age 50) ・ Japan, United States

  • actor
  • screenwriter
  • television actor

My Take

Glenn Howerton earns my respect for far more than playing the gloriously unhinged Dennis Reynolds on It's Always Sunny in Philadelphia. He acts, writes, and produces, holding the gears of the story from the inside, and that quiet authorship impresses me more than any single performance. Keeping a long-running show alive from within takes a craftsman's stamina that audiences rarely notice. I'm drawn to the contrast he embodies: a character who reads as reckless and dim, powered by a creator who is clearly meticulous and sharp. That gap between the persona and the mind behind it is exactly what makes him so interesting to watch.

Overview

Glenn Franklin Howerton III (born April 13, 1976) is an American actor, writer, and producer. He is best known for playing Dennis Reynolds on the FX/FXX sitcom It's Always Sunny in Philadelphia (2005–present), which he co-developed and serves as an executive producer and writer alongside the other main cast members.

Summary adapted from Wikipedia, licensed under CC BY-SA 4.0.

1. Profile

Name (English)
Glenn Howerton
Name (Japanese)
グレン・ハワートン
Reading
ぐれん・はわーとん
Born
April 13, 1976 (age 50)
Zodiac / Chinese zodiac
Aries / Dragon
Origin
Japan, United States
Blood type
Private
Height
Private
Agency
Private
Occupation
actor / screenwriter / television actor / film actor / film producer

2. Background

Elementary school
Private
Junior high
Private
High school
Johnson Abernathy Graetz High School
University
Upper Canada College

3. Relationships

Spouse
Private
Children
Private
Parents
Private
Siblings
Private

4. Personality

Motto

Private

5. Works & records

CategoryTitleRoleYear
Notable workIt's Always Sunny in Philadelphia

Actor — see all → · Screenwriter — see all → · More people from United States →

7. About this entry

Tags

  • actor
  • screenwriter
  • television actor
Last updated
2026-06-02

Facts are limited to publicly available information up to 2024; non-public items are marked "Private / Unknown". English text is machine-assisted (facts translated by Sonnet, "My Take" written by Opus 4.8). The Japanese page is the source of record.