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.
as Herself
as Ms. Nielsen
as Morgan
as Alex
as CeCe Ryder (voice)
as Mayor Spengler
as Self
as DJ
as Edison Jaymes
as Self - Contestant
as Cricket Melfi
as Vicki
as Self
as Mackenzie 'Micky' Murphy
as Destiny (voice)
as Destiny (voice)
as Arizona Cop
as Self
as Self
as Tatiana
as 3D Movie Girl (voice)
as Ethel Anderson (voice)
as Carol / Danielle (voice)
as (voice)
as Carol (voice)
as Danielle (voice)
as Self
as Ashley
as Helen (voice)
as Rocky 2
as Libby
as Self
as Deandra "Sweet Dee" Reynolds
as Dee Reynolds
as Sherry
as Deandra 'Dee' Reynolds
as Jillian
as Field Agent
as Self
as Bidding Customer
as Cheryl's Sister
as Becky
as Brenda Quagmire (voice)
as Self
as Traylor
as Quinn Hopper (voice)
as Producer