Kaitlin Willow Olson McElhenney is an American actress and comedian. She is best known for her roles as Deandra "Sweet Dee" Reynolds in the FX/FXX comedy series It's Always Sunny in Philadelphia and Morgan Gillory in the ABC crime comedy drama series High Potential.
- Occupation
- actor, television actor, film actor, voice actor
- Citizenship
- United States
- Born
- August 18, 1975
