- Charlie Day (Charlie Kelly)
- Glenn Howerton (Dennis Reynolds)
- Rob Mac (Ronald 'Mac' McDonald)
- Kaitlin Olson (Dee Reynolds)
- Danny DeVito (Frank Reynolds)
It's Always Sunny in Philadelphia — S9E5
Episode: Mac Day
Air Date: 2013-10-02
Runtime: 22 min
Overview
Everyone in the gang gets a day to do what they want while everyone else in the gang must participate willingly. This is Mac's Day... and its got twice the "Mac".