It's Always Sunny in Philadelphia Season 6 Characters & Cast — No Spoilers
Every character in It's Always Sunny in Philadelphia season 6 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
- Bill Ponderosa — played by Lance Barber
- Charlie's Mom — played by Lynne Marie Stewart
- Waitress — played by Mary Elizabeth Ellis
- Matthew 'Rickety Cricket' Mara — played by David Hornsby
- Mac's Mom — played by Sandy Martin
- Carmen — played by Brittany Daniel
- Nick — played by Windell Middlebrooks
- Tyrone — played by Ray Auxias
- Craig — played by Johnny Pemberton
- Lisa — played by Lauren Pennington
- Duncan — played by David Gueriera
- Theater Class Student — played by Tiffany Simone English
- Principal MacIntyre — played by Dave Foley
- Maureen Ponderosa — played by Catherine Reitman
- Z — played by Chad L. Coleman
All seasons of It's Always Sunny in Philadelphia: full spoiler-free character guide