![](https://image.tmdb.org/t/p/original/z84SKRCVl9zPhP9AINVS8Bx8dRO.jpg)
Kaitlin Olson
1 FOLLOWER • 28 CREDITS • AUG 18, 1975 • 49
Biography
Kaitlin Willow Olson McElhenney (born August 18, 1975) is an American actress, comedian, and producer. She began her career in The Sunday Company at the Groundlings, an improvisational theatre and school in Los Angeles, California. She had minor roles in several television series before being cast as Deandra "Sweet Dee" Reynolds on the long-running FX comedy series It's Always Sunny in Philadelphia (2005–present).
Olson starred as Mackenzie "Micky" Murphy in the Fox comedy series The Mick (2017–2018) and as Cricket Melfi in the Quibi comedy series Flipped (2020), which earned her a nomination for the Primetime Emmy Award for Outstanding Actress in a Short Form Comedy or Drama Series.
She has also appeared in films including Leap Year (2010), The Heat (2013), Vacation (2015), Finding Dory (2016), and Arizona (2018).
She has been married to actor Rob McElhenney, her co-star on It's Always Sunny in Philadelphia, since 2008.
Known For
![](https://image.tmdb.org/t/p/w342/g6MrJxNaHYGYU7Sxo72e5B8gKOV.jpg)
Late Night with Seth Meyers
![](https://image.tmdb.org/t/p/w342/mZqWmSq1M61Jlre3furVDSXvdrN.jpg)
Curb Your Enthusiasm
![](https://image.tmdb.org/t/p/w342/vHqeLzYl3dEAutojCO26g0LIkom.jpg)
The Simpsons
![](https://image.tmdb.org/t/p/w342/couFnWryh9JRmmfDyPU6hUyTKIa.jpg)
Bob's Burgers
![](https://image.tmdb.org/t/p/w342/y0HUz4eUNUe3TeEd8fQWYazPaC7.jpg)
Family Guy
![](https://image.tmdb.org/t/p/w342/p6nHSSHo2MI8qvhOxKbVL7ppTF4.jpg)
Hacks
![](https://image.tmdb.org/t/p/w342/lktCmXmoeR3ikhqE9SLN2IumwUx.jpg)
New Girl
![](https://image.tmdb.org/t/p/w342/6CfDD17vvgrwcFm2iDftvPraLdV.jpg)
Welcome to Wrexham
![](https://image.tmdb.org/t/p/w342/8T8UwddEe3LrgwxVhkUxmv8jfeE.jpg)
Miss Match
![](https://image.tmdb.org/t/p/w342/i8m1BIJCoDi0WUAncm9PkYJbTqY.jpg)
Unsupervised
![](https://image.tmdb.org/t/p/w342/zgu3p4NvisS8CI68cUfBKbvAvu8.jpg)
Space Force
![](https://image.tmdb.org/t/p/w342/skWtbfPT79vzmZiCp399HgLqG24.jpg)
The F Word
![](https://image.tmdb.org/t/p/w342/c8eyL7xBTVZeeqb9oDEADqHlNc2.jpg)
The Riches
![](https://image.tmdb.org/t/p/w342/yERBa1y5zNUOTRKQPiDCPIc2fuv.jpg)
The Heat
![](https://image.tmdb.org/t/p/w342/z79MzBerDAW2EOQZCobFTO4dJ7P.jpg)
Vacation
![](https://image.tmdb.org/t/p/w342/i86hMi5iEF3WnYLCaGHdT5FPdYg.jpg)
Leap Year
![](https://image.tmdb.org/t/p/w342/xYM0laKrEqjiRSQNvqRrXPXN3iL.jpg)
Coyote Ugly
![](https://image.tmdb.org/t/p/w342/yFjVlsJmEMacU0BNUwdGZlo2ixq.jpg)
Finding Dory
![](https://image.tmdb.org/t/p/w342/nKTFsng12wXI75c84WFKnDHQ2Qa.jpg)
Marine Life Interviews
![](https://image.tmdb.org/t/p/w342/pRWO6ufqSNkWvPXDDQhBwPNSv4K.jpg)
It's Always Sunny in Philadelphia
![](https://image.tmdb.org/t/p/w342/nLeOBqvDWuZfyMq7DGRT13YDRNK.jpg)
Brickleberry
![](https://image.tmdb.org/t/p/w342/hQlFyelFIyBDKrm9B1ghlA4KJmr.jpg)
Incoming
![](https://image.tmdb.org/t/p/w342/yVgtsoXyTZBww7SWE4JE1U4Wcel.jpg)
Champions
![](https://image.tmdb.org/t/p/w342/vdak857enxBFq19mlNYsNx04SiQ.jpg)
Flipped
![](https://image.tmdb.org/t/p/w342/9iFMG4zyAkLnvfEwNqIiiEEQ342.jpg)
Agent Elvis
![](https://image.tmdb.org/t/p/w342/jwYBohob30EeP1rJJMx9zcWSaGS.jpg)
The Mick
![](https://image.tmdb.org/t/p/w342/6ocGVHF2GkRpaAe0bYoIvtmC2x0.jpg)
High Potential
Production Credits
Originals for Hulu
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