It's Always Sunny in Philadelphia Season 3 Characters & Cast — No Spoilers
Every character in It's Always Sunny in Philadelphia season 3 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
- Charlie's Mom — played by Lynne Marie Stewart
- Matthew 'Rickety Cricket' Mara — played by David Hornsby
- Mac's Mom — played by Sandy Martin
- Anthony — played by James Price
- Lefty — played by Mario Di Donato
- Johnny — played by John Mariano
- Liam McPoyle — played by Jimmi Simpson
- Ryan McPoyle — played by Nate Mooney
- Margaret McPoyle — played by Thesy Surface
- Bruce Mathis — played by Stephen Collins
- Carmen — played by Brittany Daniel
- Sage — played by Todd Grinnell
- Asriel — played by Jackie Tohn
- Woman — played by Lucy DeVito
All seasons of It's Always Sunny in Philadelphia: full spoiler-free character guide