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.
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Rob McElhenney has appeared in 11 movies.
These include Wonder Boys, The Nightman Cometh: Live!, Campfire Stories, A Very Sunny Christmas, The Nightman Cometh: Live, The Tollbooth, Latter Days, The Devil's Own, Thirteen Conversations About One Thing, A Tribute to Ryan Dunn and A Civil Action.Rob McElhenney has appeared in 13 TV Series.
These include Mythic Quest, Welcome to Wrexham, It's Always Sunny in Philadelphia, Fargo, The F Word, Conan, The Late Show with Stephen Colbert, ER, Lost, Game of Thrones, The Mindy Project, Late Night with Seth Meyers and Law & Order.