W2TCH

It's Always Sunny in Philadelphia (2005 – ...)

2005 • 18 seasons • Comedy • TV-MA
JustWatch▼ 4#40IMDb8.8/10284,912TMDB83%1,414Rotten Tomatoes—Metacritic—
On September 25, 2026
#20
20th by Pulse TV show online
117.1PULSEPulse MeterOur daily Pulse Meter measures public activity and popularity signals across the web.How it works →

Most Popular It's Always Sunny in Philadelphia Cast Members

Kaitlin Olson is the most popular It's Always Sunny in Philadelphia cast member right now, with a Popularity Score of 4.54. Updated September 26, 2026.

#
Cast
Popularity
1

Kaitlin Olson

Dee Reynolds/29–51 years during filming
4.5
2

Danny DeVito

Frank Reynolds/60–81 years during filming
4.2
3

Charlie Day

Charlie Kelly/29–50 years during filming
3.1
4

Rob Mac

Ronald 'Mac' McDonald/28–49 years during filming
2.3
5

Glenn Howerton

Dennis Reynolds/29–50 years during filming
2.0