
Rob Mac
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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.
Known for
Credits

Deadpool & Wolverine (2024)
as TVA Soldier

The Devil's Own (1997)
as Kevin

Wonder Boys (2000)
as Student

Latter Days (2004)
as Elder Harmon

A Civil Action (1998)
as Teenager on Property

The Nightman Cometh: Live (2009)
as Mac McDonald

Thirteen Conversations About One Thing (2001)
as Aspiring Medical Student

A Very Sunny Christmas (2009)
as Ronald "Mac" McDonald
PaleyLive: It’s Always Sunny in Philadelphia 20th Anniversary Celebration! (2025)
as Self

A Tribute to Ryan Dunn (2011)
as Self

Campfire Stories (2001)
as Ricky

All Star Bowling Trick Shots (2012)
Actor

The Tollbooth (2004)
as Simon Stanton





