Olson, Kaitlin

Kaitlin Willow Olson McElhenney (born August 18, 1975) is an American actress and comedian. She is best known for her roles as Deandra "Sweet Dee" Reynolds in the FX comedy series It's Always Sunny in Philadelphia (2005–present), Mackenzie "Mickey" Molng in the Fox comedy series The Mick (2017–2018), Deborah "DJ" Vance Jr. in the HBO Max comedy-drama series Hacks (2021–present), and Morgan Gillory in the ABC crime drama series High Potential (2024–present). Olson began her career in the Sunday Company at the Groundlings in Los Angeles. She played minor roles in various television comedies, including Becky in the HBO sitcom Curb Your Enthusiam (2000–2020), before she was cast in It's Always Sunny. Since then, she has gone on to appear in several comedy films, including Leap Year (2010), The Heat (2013), Vacation (2015), Finding Dory (2016), Arizona (2018), and Champions (2023). Olson received her first Primetime Emmy Award nomination for her role as Cricket Melfi in the Quibi comedy series Flipped (2020), in the category of Outstanding Actress in a Short Form Comedy or Drama Series. She went on to receive two more Emmy nominations for Outstanding Guest Actress in a Comedy Series in 2022 and 2024 for her role in Hacks.