Kaitlin Willow Olson, an American actress and comedian, played Deandra "Sweet Dee" Reynolds on a popular black comedy series on what network?
It's Always Sunny in Philadelphia: It's Always Sunny in Philadelphia is an American television black comedy sitcom that premiered on FX on August 4, 2005. Kaitlin Olson: Kaitlin Willow Olson (born August 18, 1975) is an American actress and comedian.
i don't know