Cast & creator
Kaitlin Olson
Best known for The Simpsons, Late Night with Seth Meyers, Late Night with Seth Meyers
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.
Also known as: Kaitlin Willow Olson McElhenney, Kaitlin Willow Olson
18
film credits
37
television credits
53
1989–2025 · acting roles
6.8
average across scored titles
Signature credits
Known for
Across film & television
Filmography (55)
Showing 55 of 55 credits
The Simpsons
Quinn Hopper (voice)
1989
Late Night with Seth Meyers
Self
2014Late Night with Seth Meyers
Self - Guest
2014
Family Guy
Brenda Quagmire (voice)
1999
Conan
Self
2010
The View
Self
1997
Jimmy Kimmel Live!
Self - Guest
2003
Bob's Burgers
Helen (voice)
2011
It's Always Sunny in Philadelphia
Dee Reynolds
2005
Curb Your Enthusiasm
Cheryl's Sister
2000Curb Your Enthusiasm
Becky
2000
New Girl
Ashley
2011
High Potential
Morgan Gillory
2024High Potential
Producer
2024High Potential
Executive Producer
2024
The Drew Carey Show
Traylor
1995
Hacks
DJ Vance
2021
Abbott Elementary
Dee
2021
Punk'd
Field Agent
2003
Welcome to Wrexham
Self
2022
Space Force
Edison Jaymes
2020
The Mick
Mackenzie 'Micky' Murphy
2017
Who Wants to Be a Millionaire
Self - Contestant
2020
Finding Dory
Destiny (voice)
2016
Miss Match
Jillian
2003
George Lopez
Janet
2002
Brickleberry
Ethel Anderson (voice)
2012
The Riches
2007
The Heat
Tatiana
2013
Agent Elvis
CeCe Ryder (voice)
2023
Vacation
Arizona Cop
2015
Out of Practice
2005
Coyote Ugly
Bidding Customer
2000
Unsupervised
Carol / Danielle (voice)
2012Unsupervised
(voice)
2012Unsupervised
Carol (voice)
2012Unsupervised
Danielle (voice)
2012
Leap Year
Libby
2010
Incoming
Ms. Nielsen
2024
Escape from Planet Earth
3D Movie Girl (voice)
2013
Flipped
Cricket Melfi
2020
The F Word
Self
2017
Champions
Alex
2023
It's a Wonderful Binge
Mayor Spengler
2022
Kelsey Grammer Presents: The Sketch Show
2005
Weather Girl
Sherry
2009
A Very Sunny Christmas
Deandra "Sweet Dee" Reynolds
2009
The Nightman Cometh: Live
Dee Reynolds
2009Meet the Marks
2002
A Tribute to Ryan Dunn
Self
2011
Arizona
Vicki
2018
Marine Life Interviews
Destiny (voice)
2016PaleyLive: It’s Always Sunny in Philadelphia 20th Anniversary Celebration!
Self
2025
Held Up
Rocky 2
2010