Movies

Kaitlin Willow Olson (born August 18, 1975) is an American actress. 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 FX comedy series It's Always Sunny in Philadelphia (2005–present).

Olson starred as Mackenzie "Mickey" 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.

Olson has also appeared in films, including Leap Year (2010), The Heat (2013), Vacation (2015), Finding Dory (2016), and Arizona (2018).

In 2022, Olson earned an Emmy nomination for Outstanding Guest Actress in a Comedy Series for her role as DJ in HBO's Hacks.

Early life
Olson was born in Portland, Oregon, on August 18, 1975, to Donald Lee Olson, a publisher, and Melinda Leora, a nurse. Shortly after her birth, Olson relocated with her family to Spokane, Washington, then to Vashon Island, Washington, in Puget Sound, 13 mi (21 km) west of Seattle, where she lived until age eight. Her family subsequently relocated back to the Portland area, settling in Tualatin, where Olson grew up on a farm. Her father worked as the publisher of the Portland Tribune from 2000 to 2001.

At age twelve, Olson was involved in a serious bicycle accident involving a vehicle, resulting in a fractured skull requiring reconstructive surgery. She graduated from Tigard High School in Tigard, Oregon in 1993.

Olson studied theater at the University of Oregon, graduating with a bachelor's degree in theater arts in 1997. After college, she moved to Los Angeles to pursue acting professionally.