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 Its 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 Its Always Sunny in Philadelphia, since 2008.

All movies available from Kaitlin Olson

Poster movie The Nightman Cometh: Live

The Nightman Cometh: Live

Movie
Poster movie High Potential

High Potential

Tv series

Movies unavailable from Kaitlin Olson

Coyote Ugly

Bidding Customer

Movie 2000

Leap Year

Libby

Movie 2010

Held Up

Rocky 2

Movie 2010

A Very Sunny Christmas

Deandra "Sweet Dee" Reynolds

Movie 2009

Escape from Planet Earth

3D Movie Girl (voice)

Movie 2013

Weather Girl

Sherry

Movie 2009

Champions

Alex

Movie 2023

Incoming

Ms. Nielsen

Movie 2024

It's a Wonderful Binge

Mayor Spengler

Movie 2022

Vacation

Arizona Cop

Movie 2015

Finding Dory

Destiny (voice)

Movie 2016

The Heat

Tatiana

Movie 2013

Marine Life Interviews

Destiny (voice)

Movie 2016

A Tribute to Ryan Dunn

Self

Movie 2011

Eyes to Heaven

Movie 2000

Arizona

Vicki

Movie 2018

Abbott Elementary x It's Always Sunny Crossover Event

Dee Reynolds

Movie 2025

Tv series unavailable from Kaitlin Olson

Family Guy

Brenda Quagmire (voice)

Tv 1999

Miss Match

Jillian

Tv 2003

The View

Self

Tv 1997

It's Always Sunny in Philadelphia

Deandra 'Dee' Reynolds

Tv 2005

George Lopez

Tv 2002

The Riches

Tv 2007

Out of Practice

Tv 2005

Curb Your Enthusiasm

Cheryl's Sister

Tv 2000

New Girl

Ashley

Tv 2011

Hacks

DJ

Tv 2021

Kelsey Grammer Presents The Sketch Show

Tv 2005

Meet the Marks

Tv 2002

Brickleberry

Ethel Anderson (voice)

Tv 2012

Punk'd

Field Agent

Tv 2003

The Mick

Mackenzie 'Micky' Murphy

Tv 2017

The F Word

Self

Tv 2017

Bob's Burgers

Helen (voice)

Tv 2011

Welcome to Wrexham

Self

Tv 2022

Late Night with Seth Meyers

Self

Tv 2014

Unsupervised

Carol / Danielle (voice)

Tv 2012

Unsupervised

(voice)

Tv 2012

Unsupervised

Carol (voice)

Tv 2012

Unsupervised

Danielle (voice)

Tv 2012

Flipped

Cricket Melfi

Tv 2020

The Simpsons

Quinn Hopper (voice)

Tv 1989

Curb Your Enthusiasm

Becky

Tv 2000

Agent Elvis

CeCe Ryder (voice)

Tv 2023

Who Wants to Be a Millionaire

Self - Contestant

Tv 2020

Space Force

Edison Jaymes

Tv 2020

The Drew Carey Show

Traylor

Tv 1995

Conan

Self

Tv 2010

Jimmy Kimmel Live!

Self

Tv 2003

College GameDay

Herself

Tv