Glenn Howerton as Dennis Reynolds | Always Sunny on FXX

It's Always Sunny in Philadelphia

Glenn Howerton

Dennis / Executive Producer / Writer

Glenn Howerton Headshot

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 Headshot

Kaitlin Olson

as Sweet Dee

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

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