Robert Dale "Rob" McElhenney (born April 14, 1977) is an American film and television actor best known for his role as Mac on the FX TV series It's Always Sunny in Philadelphia. He is also credited as creator, developer and executive producer of the show, which has also provided McElhenney with writing and directing credits on various episodes. He is married to Kaitlin Olson, who plays Deandra Reynolds on the show. He has also opened a bar in Philadelphia called Mac's Tavern. Description above from the Wikipedia article Rob McElhenney, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Filmography

• Necaxa — Self, Executive Producer, Creator
• Side Quest — Ian Grimm, Executive Producer, Original Series Creator
• 2024Deadpool & Wolverine — TVA Soldier
• Me/We — Writer, Creator
• Welcome to Wrexham — Self, Executive Producer, Writer
• Abbott Elementary — Mac
• Mythic Quest — Ian Grimm, Executive Producer, Writer, Director, Creator
• Fargo — Officer Oscar Hunt
• It's Always Sunny in Moscow — Writer, Creator
• 2012All Star Bowling Trick Shots
• The Mindy Project — Lou Tookers
• Unsupervised — Producer
• Game of Thrones — Ironborn #1
• 2009A Very Sunny Christmas — Ronald "Mac" McDonald, Writer, Executive Producer
• 2009The Nightman Cometh: Live — Mac McDonald, Executive Producer
• Boldly Going Nowhere — Producer
• It's Always Sunny in Philadelphia — Ronald 'Mac' McDonald, Writer, Director, Executive Producer, Creator
• 2004Latter Days — Elder Harmon
• Lost — Aldo
• 2004The Tollbooth — Simon Stanton
• 2001Campfire Stories — Ricky
• 2001Thirteen Conversations About One Thing — Aspiring Medical Student
• 2000Wonder Boys — Student
• 1998A Civil Action — Teenager on Property
• 1997The Devil's Own — Kevin
• ER — Andy Fesh
• Law & Order — Joey Timon
• Boldly Going Nowhere — Writer, Executive Producer
• Cammy & Mike — Director
• Far Cry — Executive Producer, Creator
• Legends — Executive Producer

Appearances as themselves (12)

• 2025PaleyLive: It’s Always Sunny in Philadelphia 20th Anniversary Celebration! — Self
• All Town Aren't We — Self
• Hot Ones Versus — Self
• Snacked — Self
• The F Word — Self
• Hot Ones — Self
• The Late Show with Stephen Colbert — Self, Self - Guest
• Late Night with Seth Meyers — Self
• 2011A Tribute to Ryan Dunn — Self
• Conan — Self
• Free Radio — Self
• Jimmy Kimmel Live! — Self, Self - Guest