
Kaitlin Olson
- Known for
- Acting
- Born
- 18 August 1975 · Tigard, Portland, Oregon, USA
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.
Known for
Acting 19
- 2025PaleyLive: It’s Always Sunny in Philadelphia 20th Anniversary Celebration! as Self
- 2024Incoming as Ms. Nielsen
- 2023Champions as Alex
- 2022It's a Wonderful Binge as Mayor Spengler
- 2018Arizona as Vicki
- 2016Marine Life Interviews as Destiny (voice)
- 2016Finding Dory as Destiny (voice)
- 2015Vacation as Arizona Cop
- 2014Late Night with Seth Meyers as Self - Guest · 2 episodes
- 2013The Heat as Tatiana
- 2013Escape from Planet Earth as 3D Movie Girl (voice)
- 2011A Tribute to Ryan Dunn as Self
- 2010Held Up as Rocky 2
- 2010Leap Year as Libby
- 2009A Very Sunny Christmas as Deandra "Sweet Dee" Reynolds
- 2009The Nightman Cometh: Live as Dee Reynolds
- 2009Weather Girl as Sherry
- 2000Coyote Ugly as Bidding Customer
- 2000Eyes to Heaven





