It's Always Sunny in Philadelphia Season 12 Characters & Cast — No Spoilers
Every character in It's Always Sunny in Philadelphia season 12 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
- Matthew 'Rickety Cricket' Mara — played by David Hornsby
- Old Man / Old Black Man — played by Wil Garret
- Ruth — played by Reatha Grey
- Charlie's Mom — played by Lynne Marie Stewart
- Waitress — played by Mary Elizabeth Ellis
- Scott Bakula — played by Scott Bakula
- Skinny Kid — played by Lucas Barker
- Abby — played by Jayden Bartels
- Z — played by Chad L. Coleman
- Social Worker — played by Kyra Locke
- Orderly — played by Edwin H. Bravo
- Owner — played by Charles J. Corrado Jr.
- Detective — played by Scott Broderick
- Cop — played by Marc Scizak
- Black Frank — played by Farley Jackson
All seasons of It's Always Sunny in Philadelphia: full spoiler-free character guide