Kaitlin Olson is best known for her starring role on the critically-acclaimed FXX cult show It’s Always Sunny in Philadelphia.&nbsp;

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

Kaitlin Olson as Sweet Dee | Always Sunny on FXX

Rob McElhenney is the creative force behind the critically acclaimed FXX comedy series It’s Always Sunny in Philadelphia. McElhenney co-stars and serves as executive producer and writer. It was recently announced that the series has been renewed for four additional seasons – setting a record as the longest-running live-action television sitcom in history. Consistently delivering record-breaking ratings year after year, Sunny has been positioned as a cultural juggernaut on a global scale for its unapologetic satirizing of human nature.

Rob McElhenney is the creator, writer and executive producer of It’s Always Sunny in Philadelphia, the critically-acclaimed FXX original series in which he also co-stars as ‘Mac’. 

Rob McElhenney as Mac | Always Sunny on FXX

Charlie Day’s comedic talent in both film and television has garnered him a loyal following among critics and fans. He currently stars in It’s Always Sunny in Philadelphia, one of the longest-running and most successful comedies to date, for which he also serves as a writer and executive producer. Day created Sunny with his co-producers Rob McElhenney and Glenn Howerton.&nbsp;

Charlie Day stars as the hapless “Charlie Kelly” on the FXX original hit series It’s Always Sunny in Philadelphia. He also serves as executive producer and writer of the show.

Charlie Day as Charlie Kelly | Always Sunny on FXX

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.&nbsp;

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

Glenn Howerton as Dennis Reynolds | Always Sunny on FXX

Danny DeVito returns as “Frank Reynolds” in the 15th season of FXX’s acclaimed cult comedy It’s Always Sunny in Philadelphia, which was renewed in 2020 for seasons 15-18, making it the longest-running scripted comedy in television history.&nbsp;

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

Danny DeVito as Frank Reynolds | Always Sunny on FXX

Hailing from Laurel, Missisippi, Mary Elizabeth Ellis is a writer/performer, known for her epic recurring role as “The Waitress” on FXX’s long running hit series It’s Always Sunny in Philadelphia.&nbsp;

Mary Elizabeth Ellis guest stars in the critically-acclaimed FXX original comedy series It’s Always Sunny in Philadelphia as the “Waitress”.

Mary Elizabeth Ellis as Waitress | Always Sunny on FXX

Mary Elizabeth Ellis guest stars in the critically-acclaimed FXX original comedy series It’s Always Sunny in Philadelphia as the “The Waitress”.

Mary Elizabeth Ellis as The Waitress | Always Sunny on FXX

Rotenberg is the co-founder and partner at 3 Arts Entertainment. He is a multiple Emmy® winning television producer and talent manager.

Michael Rotenberg | It's Always Sunny in Philadelphia on FXX

Michael Rotenberg | Executive Producer | It's Always Sunny in Philadelphia on FXX

Frenkel is a Partner at 3 Arts Entertainment in Beverly Hills, where he began his career in talent management and producing immediately after graduating from Skidmore College.

Nicholas Frenkel | It's Always Sunny in Philadelphia on FXX

Nick Frenkel | Executive Producer | It's Always Sunny in Philadelphia on FXX

Hornsby is an executive producer of FXX’s original comedy series It's Always Sunny in Philadelphia.

David Hornsby | Always Sunny on FXX

David Hornsby is an executive producer of FXX’s original comedy series It's Always Sunny in Philadelphia.

David Hornsby | Executive Producer | Always Sunny on FXX

Rosell is a longtime writer and executive producer on It's Always Sunny in Philadelphia who recently returned to the show for its 15th season. 

Rob Rosell | It's Always Sunny in Philadelphia on FXX

Rob Rosell | Executive Producer | Always Sunny on FXX

Ganz is from Kalamazoo, MI and a graduate of the University of Michigan. After college, she wrote for The Onion from 2006-2009.

Kaitlin Olson as Sweet Dee | Always Sunny on FXX

It's Always Sunny in Philadelphia

Kaitlin Olson

Career Highlights

Danny DeVito
as Frank

Mary Elizabeth Ellis
as The Waitress

Rob McElhenney
as Mac / Creator / Executive Producer / Writer

Get the inside scoop

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

Kaitlin Olson as Sweet Dee | Always Sunny on FXX

It's Always Sunny in Philadelphia

Kaitlin Olson

Career Highlights

Mary Elizabeth Ellisas The Waitress

Rob McElhenneyas Mac / Creator / Executive Producer / Writer

Get the inside scoop

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

Mary Elizabeth Ellis
as The Waitress

Rob McElhenney
as Mac / Creator / Executive Producer / Writer