Laura Prepon (born March 7, 1980) is an American actress, director, and author. She is best known for her role as Donna Pinciotti in all eight seasons of the Fox sitcom That ' 70s Show (1998 -- 2006), and for her portrayal of Alex Vause in the Netflix original comedy - drama series Orange Is the New Black (2013 -- present). Prepon has worked mainly in television. She made her film debut in 2001 with the independent film Southlander. Her other films include the romantic drama Come Early Morning (2006), the comedy Lay the Favorite (2012), the thriller The Girl on the Train (2016), and the drama The Hero (2017).
who plays alex vause in orange is the new black
Laura Prepon