It's Always Sunny in Philadelphia Season 9 Characters & Cast — No Spoilers
Every character in It's Always Sunny in Philadelphia season 9 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
- Artemis — played by Artemis Pebdani
- Matthew 'Rickety Cricket' Mara — played by David Hornsby
- God — played by Justin Lopez
- Country Mac — played by Seann William Scott
- The Scientist — played by Burn Gorman
- Cool Kid — played by Ricky Garcia
- Snyder — played by Ken Davitian
- Rotenberg — played by Peter Jacobson
- Landslide — played by Lavell Crawford
- Walt — played by Steve Lewis
- Stage Manager — played by Karah Donovan
- Security Guard — played by Hal Devi
- Conan O'Brien (voice) — played by Johnno Wilson
- Kerry — played by Robyn Lively
All seasons of It's Always Sunny in Philadelphia: full spoiler-free character guide