Glenn Howerton as Dennis Reynolds | Always Sunny on FXX

It's Always Sunny in Philadelphia

Glenn Howerton

Dennis / Executive Producer / Writer

Glenn_Howerton_Cast

Glenn Howerton plays "Dennis Reynolds" on It's Always Sunny in Philadelphia. He also serves as executive producer, director and writer for the critically acclaimed series. 

Career Highlights
Kaitlin_Olson_Cast

Kaitlin Olson

as Sweet Dee

Kaitlin Olson stars as "Sweet Dee" on the critically-acclaimed FXX original series It’s Always Sunny in Philadelphia.

Get the inside scoop

Get the latest news and exclusives from FX including show premieres and more.

Please enter a valid email address