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Charlie Day as Charlie Kelly | Always Sunny on FXX

It's Always Sunny in Philadelphia

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Close up of Charlie Day as Charlie

Career Highlights

Glenn Howerton headshot wearing a striped shirt with collar and buttons

Glenn Howerton

as Dennis / Executive Producer / Writer

Glenn Howerton stars as "Dennis" in the critically-acclaimed FXX original series It’s Always Sunny in Philadelphia. He also serves as a writer and executive producer of the show.

Kaitlin Olson headshot wearing a floral high neck top and a green hat

Kaitlin Olson

as Sweet Dee

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

Danny DeVito headshot wearing a red polo shirt, dark blue zip up, and glasses

Danny DeVito

as Frank

Danny DeVito stars as "Frank Reynolds" in the critically-acclaimed FXX original series It’s Always Sunny in Philadelphia.