Prepon starred as Donna Pinciotti on the Fox sitcom That '70s Show from 1998 to 2006.
Donna became the girlfriend and next-door neighbor of Eric Forman (Topher Grace).
Prepon made her film debut in 2001 with the independent drama Southlander.
Her other notable films include the psychological thriller Karla (2006), 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).
In 2001, she made her film debut in Steve Hanft's musical comedy-drama Southlander with Beck, Beth Orton and Hank Williams III, where she played Seven=Five, a young TV telepathic.
In 2004, Prepon worked on the independent drama film The Pornographer: A Love Story.
Laura Prepon (born March 7, 1980) is an American actress, director, and author.
She is best known for her roles as Donna Pinciotti in the Fox sitcom That '70s Show (1998–2006) and as Alex Vause in the Netflix original comedy-drama series Orange Is the New Black (2013–present).
Kutcher had quit the show at the end of season seven but remained on the series for five episodes during the eighth season.She reprised her role in the episodes "The Front Porch" in 2009 and "Say Cheese" in 2010. Prepon had been taking directing classes at the Art Center College of Design.She also appeared in the Fox medical drama House M. She directed a short film, Abide with Me, about a 10-year-old boy who, "upon bearing witness to his father's murder, is rendered mute." Prepon stated she plans on making Abide with Me into a feature film.Her first notable film role came in 2004 with the dark drama Lightning Bug with Bret Harrison, Kevin Gage and Ashley Laurence.Branching into other arenas than acting, Prepon also served as executive producer of the film.