Kathryn Felicia Day is an American actress, comedian, and writer. On TV, she has played Vi in the series Buffy the Vampire Slayer and Dr. Holly Marten in Eureka, and had a recurring role as Charlie on Supernatural. She has acted in movies such as Bring It On Again and June, as well as the Internet musical Dr. Horrible's Sing-Along Blog. She is the star, writer, and producer of the original web series The Guild, a show loosely based on her life as a gamer. She also wrote and starred in the Dragon Age web series Dragon Age: Redemption. Day was a member of the board of directors of the International Academy of Web Television beginning December 2009 until the end of July 2012.