Kaitlin Olson
Acting • Born 1975-08-18
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.
Filmography
53 credits
Coyote Ugly
Movie • 2000
Bidding Customer
Leap Year
Movie • 2010
Libby
Held Up
Movie • 2010
Rocky 2
A Very Sunny Christmas
Movie • 2009
Deandra "Sweet Dee" Reynolds
Escape from Planet Earth
Movie • 2013
3D Movie Girl (voice)
Weather Girl
Movie • 2009
Sherry
Champions
Movie • 2023
Alex
Incoming
Movie • 2024
Ms. Nielsen
It's a Wonderful Binge
Movie • 2022
Mayor Spengler
Vacation
Movie • 2015
Arizona Cop
Finding Dory
Movie • 2016
Destiny (voice)
The Heat
Movie • 2013
Tatiana
Marine Life Interviews
Movie • 2016
Destiny (voice)
The Nightman Cometh: Live
Movie • 2009
Dee Reynolds
A Tribute to Ryan Dunn
Movie • 2011
Self
Eyes to Heaven
Movie • 2000
Arizona
Movie • 2018
Vicki
PaleyLive: It’s Always Sunny in Philadelphia 20th Anniversary Celebration!
Movie • 2025
Self
Family Guy
TV • 1999
Brenda Quagmire (voice)
Miss Match
TV • 2003
Jillian
The View
TV • 1997
Self
It's Always Sunny in Philadelphia
TV • 2005
Dee Reynolds
George Lopez
TV • 2002
Janet
The Riches
TV • 2007
Out of Practice
TV • 2005
Curb Your Enthusiasm
TV • 2000
Cheryl's Sister
New Girl
TV • 2011
Ashley
Hacks
TV • 2021
DJ
Kelsey Grammer Presents: The Sketch Show
TV • 2005
Meet the Marks
TV • 2002
Brickleberry
TV • 2012
Ethel Anderson (voice)
High Potential
TV • 2024
Morgan Gillory
Punk'd
TV • 2003
Field Agent
The Mick
TV • 2017
Mackenzie 'Micky' Murphy
The F Word
TV • 2017
Self
Bob's Burgers
TV • 2011
Helen (voice)
Welcome to Wrexham
TV • 2022
Self
Late Night with Seth Meyers
TV • 2014
Self
Unsupervised
TV • 2012
Carol / Danielle (voice)
Unsupervised
TV • 2012
Danielle (voice)
Unsupervised
TV • 2012
Carol (voice)
Unsupervised
TV • 2012
(voice)
Flipped
TV • 2020
Cricket Melfi
The Simpsons
TV • 1989
Quinn Hopper (voice)
Curb Your Enthusiasm
TV • 2000
Becky
Agent Elvis
TV • 2023
CeCe Ryder (voice)
Who Wants to Be a Millionaire
TV • 2020
Self - Contestant
Space Force
TV • 2020
Edison Jaymes
The Drew Carey Show
TV • 1995
Traylor
Conan
TV • 2010
Self
Jimmy Kimmel Live!
TV • 2003
Self - Guest
Abbott Elementary
TV • 2021
Dee
Late Night with Seth Meyers
TV • 2014
Self - Guest