It's Always Sunny in Philadelphia Season 15 Characters & Cast — No Spoilers
Every character in It's Always Sunny in Philadelphia season 15 with photos and the actors who play them, including Charlie Day, Glenn Howerton, Rob Mac — spoiler-free, nothing from later seasons.
- Charlie Kelly — played by Charlie Day
- Dennis Reynolds — played by Glenn Howerton
- Ronald 'Mac' McDonald — played by Rob Mac
- Dee Reynolds — played by Kaitlin Olson
- Frank Reynolds — played by Danny DeVito
- Waitress — played by Mary Elizabeth Ellis
- Shelley Kelly — played by Colm Meaney
- Gus — played by Mark Prendergast
- Pepper Jack — played by Marcuis Harris
- Artemis — played by Artemis Pebdani
- Mrs. Mac — played by Sandy Martin
- Gary — played by Brian Huskey
- Dr. O'Shaunessy — played by Tom Archdeacon
- Bartender — played by Barry O'Rourke
- Realtor — played by Sonya Macari
- Father Michael — played by Miles Anderson
- Nearby Patron — played by Stephen Marcus
- Another Patron — played by Stuart McLean
- Conor — played by Sam Lucas Smith
- Bartender — played by Kemma Filby
All seasons of It's Always Sunny in Philadelphia: full spoiler-free character guide