The Nightman Cometh, the fictional rock opera from It's Always Sunny in Philadelphia, is brought to life at The Troubadour nightclub in April 2009, written by broadway star Charlie Kelly.

Charlie Day
as Charlie Kelly

Glenn Howerton
as Dennis Reynolds

Danny DeVito
as Frank Reynolds

Kaitlin Olson
as Dee Reynolds

Rob Mac
as Mac McDonald

Rhea Perlman
as Gladys

Artemis Pebdani
as Artemis

Mary Elizabeth Ellis
as The Waitress