Kaitlin Olson (born August 18, 1975) is an American actress probably best known for her role as Deandra "Sweet Dee" Reynolds in the comedy series It's Always Sunny in Philadelphia.
For Disney, she provided the voice of Dory's pipe pal Destiny, a whale shark in the 2016 Disney/Pixar film Finding Dory and in the videogame Disney Infinity: 3.0 Edition.
She also played a bidding auction woman in the 2000 Touchstone Pictures film Coyote Ugly.
Kaitlin Olsen with Ed O'Neill, Ty Burrell and Ellen DeGeneres at D23 Expo 2015.
Kaitlin Olsen behind the scenes of Finding Dory.