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 "Mic...
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Coyote Ugly
As Bidding Customer
Leap Year
As Libby
Held Up
As Rocky 2
A Very Sunny Christmas
As Deandra "Sweet Dee" Reynolds
Escape from Planet Earth
As 3D Movie Girl (voice)
Weather Girl
As Sherry
Champions
As Alex
Incoming
As Ms. Nielsen
It's a Wonderful Binge
As Mayor Spengler
Vacation
As Arizona Cop
Finding Dory
As Destiny (voice)
The Heat
As Tatiana
Marine Life Interviews
As Destiny (voice)
The Nightman Cometh: Live
As Dee Reynolds
A Tribute to Ryan Dunn
As Self
Eyes to Heaven
Arizona
As Vicki
Abbott Elementary x It's Always Sunny Crossover Event
As Dee Reynolds
Family Guy
As Brenda Quagmire (voice)
Miss Match
As Jillian
The View
As Self
It's Always Sunny in Philadelphia
As Deandra 'Dee' Reynolds
George Lopez
The Riches
Out of Practice
Curb Your Enthusiasm
As Cheryl's Sister
New Girl
As Ashley
Hacks
As DJ
Kelsey Grammer Presents The Sketch Show
Meet the Marks
Brickleberry
As Ethel Anderson (voice)
High Potential
As Morgan
Punk'd
As Field Agent
The Mick
As Mackenzie 'Micky' Murphy
The F Word
As Self
Bob's Burgers
As Helen (voice)
Welcome to Wrexham
As Self
Late Night with Seth Meyers
As Self
Unsupervised
As Carol / Danielle (voice)
Flipped
As Cricket Melfi
The Simpsons
As Quinn Hopper (voice)
Agent Elvis
As CeCe Ryder (voice)
Who Wants to Be a Millionaire
As Self - Contestant
Space Force
As Edison Jaymes
The Drew Carey Show
As Traylor
Conan
As Self
Jimmy Kimmel Live!
As Self
College GameDay
As Herself
