Felicia Day (born Kathryn Felicia Day) is an American actress, singer, writer, and web series creator. In 2003, Felicia stared in numerous season seven episodes of Buffy The Vampire Slayer. 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. She was a member of the board of directors of the International Academy of Web Television beginning December 2009 until the end of July 2012.

In the 2010 live-action film "Red: Werewolf Hunter" she portrayed the eponymous heroine Virginia "Red" Sullivan.

She provided the voice of Betty Grof in Adventure Time replacing Lena Dunham in 2017.

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