It's Always Sunny in Philadelphia (2005) Cast & Character Guide — No Spoilers | Who's That?
Who plays who in It's Always Sunny in Philadelphia (2005)? Browse a spoiler-free character guide with photos of every major character and the actors behind them, including Charlie Day, Glenn Howerton, Rob Mac.
- 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
- Matthew 'Rickety Cricket' Mara — played by David Hornsby
- Charlie's Mom / Bonnie Kelly — played by Lynne Marie Stewart
- Artemis — played by Artemis Pebdani
- Mrs. Mac / Mac's Mom — played by Sandy Martin
- Uncle Jack — played by Andrew Friedman
- Bill Ponderosa — played by Lance Barber
- Luther / Donald McDonald — played by Gregory Scott Cummins
- Liam McPoyle — played by Jimmi Simpson
- Ryan McPoyle — played by Nate Mooney
- The Waiter / HR Director — played by Michael Naughton
- The Attorney / The Lawyer — played by Brian Unger
- Maureen Ponderosa — played by Catherine Reitman
- Chet Wallum / Chet / Anchor — played by Bob Wiltfong
- Ben (The Soldier) — played by Travis Schuldt