It's Always Sunny in Philadelphia Season 18 Characters & Cast — No Spoilers

Every character in It's Always Sunny in Philadelphia season 18 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

All seasons of It's Always Sunny in Philadelphia: full spoiler-free character guide

• It's Always Sunny in Philadelphia season 1 characters
• It's Always Sunny in Philadelphia season 2 characters
• It's Always Sunny in Philadelphia season 3 characters
• It's Always Sunny in Philadelphia season 4 characters
• It's Always Sunny in Philadelphia season 5 characters
• It's Always Sunny in Philadelphia season 6 characters
• It's Always Sunny in Philadelphia season 7 characters
• It's Always Sunny in Philadelphia season 8 characters
• It's Always Sunny in Philadelphia season 9 characters
• It's Always Sunny in Philadelphia season 10 characters
• It's Always Sunny in Philadelphia season 11 characters
• It's Always Sunny in Philadelphia season 12 characters
• It's Always Sunny in Philadelphia season 13 characters
• It's Always Sunny in Philadelphia season 14 characters
• It's Always Sunny in Philadelphia season 15 characters
• It's Always Sunny in Philadelphia season 16 characters
• It's Always Sunny in Philadelphia season 17 characters