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
Cast Credits
High Potential
Character: Morgan Gillory
TV • 2024
Incoming
Character: Ms. Nielsen
MOVIE • 2024
Agent Elvis
Character: CeCe Ryder (voice)
TV • 2023
Champions
Character: Alex
MOVIE • 2023
It's a Wonderful Binge
Character: Mayor Spengler
MOVIE • 2022
Welcome to Wrexham
Character: Self
TV • 2022
Abbott Elementary
Character: Dee
TV • 2021
Hacks
Character: DJ
TV • 2021
Space Force
Character: Edison Jaymes
TV • 2020
Who Wants to Be a Millionaire
Character: Self - Contestant
TV • 2020
Flipped
Character: Cricket Melfi
TV • 2020
Arizona
Character: Vicki
MOVIE • 2018
The F Word
Character: Self
TV • 2017
The Mick
Character: Mackenzie 'Micky' Murphy
TV • 2017
Marine Life Interviews
Character: Destiny (voice)
MOVIE • 2016
Finding Dory
Character: Destiny (voice)
MOVIE • 2016
Vacation
Character: Arizona Cop
MOVIE • 2015
Late Night with Seth Meyers
Character: Self
TV • 2014
The Heat
Character: Tatiana
MOVIE • 2013
Escape from Planet Earth
Character: 3D Movie Girl (voice)
MOVIE • 2013
Crew