Charlie Day, Glenn Howerton, Rob McElhenney, Kaitlin Olson

It's Always Sunny in Philadelphia is a TV series starring Charlie Day, Glenn Howerton, and Rob McElhenney. Five friends with big egos and slightly arrogant attitudes are the proprietors of an Irish pub in Philadelphia.

Charlie Day, Glenn Howerton, Rob McElhenney, Fred Savage, Shawn McDonald, Scott Marder, Rob Rosell

It's Always Sunny in Philadelphia Season 3: Dancing Guy is a video starring Charlie Day, Glenn Howerton, and Shawn McDonald. A snippet from the public access show of the Dancing Guy from It's Always Sunny in Philadelphia.

Charlie Day, Glenn Howerton, Rob McElhenney, Kaitlin Olson

It's Always Sunny in Philadelphia is a TV series starring Charlie Day, Glenn Howerton, and Rob McElhenney. Five friends with big egos and slightly arrogant attitudes are the proprietors of an Irish pub in Philadelphia.

Charlie Day, Glenn Howerton, Rob McElhenney, Kaitlin Olson

It's Always Sunny in Philadelphia is a TV series starring Charlie Day, Glenn Howerton, and Rob McElhenney. Five friends with big egos and slightly arrogant attitudes are the proprietors of an Irish pub in Philadelphia.

Charlie Day, Glenn Howerton, Rob McElhenney, Kaitlin Olson

It's Always Sunny in Philadelphia is a TV series starring Charlie Day, Glenn Howerton, and Rob McElhenney. Five friends with big egos and slightly arrogant attitudes are the proprietors of an Irish pub in Philadelphia.

Charlie Day, Glenn Howerton, Rob McElhenney, Kaitlin Olson

It's Always Sunny in Philadelphia is a TV series starring Charlie Day, Glenn Howerton, and Rob McElhenney. Five friends with big egos and slightly arrogant attitudes are the proprietors of an Irish pub in Philadelphia.

Charlie Day, Glenn Howerton, Rob McElhenney, Kaitlin Olson

It's Always Sunny in Philadelphia is a TV series starring Charlie Day, Glenn Howerton, and Rob McElhenney. Five friends with big egos and slightly arrogant attitudes are the proprietors of an Irish pub in Philadelphia.