
Laura Prepon (born March 7, 1980) is an American actress, known for her role as Donna Pinciotti in all eight seasons of the Fox sitcom That '70s Show. She is also known for the role of Hannah Daniels on the ABC drama October Road and her role as Alex Vause in the Netflix original series Orange Is the New Black. She has voiced characters in animated TV series such as American Dad! and King of the Hill, as well as a character in the video game Halo 2.
Following That '70s Show, Prepon worked mainly in television, guest-starring in episodes of How I Met Your Mother, Medium, and Castle. In 2011, Prepon was cast in the lead role of Chelsea in the short-lived sitcom Are You There, Chelsea?, based on Chelsea Handler's 2008 book Are You There, Vodka? It's Me, Chelsea.

The Girl on the Train
2016 · as Cathy

Slackers
2002 · as Reanna

Karla
2006 · as Karla Homolka

Lay the Favorite
2012 · as Holly

The Kitchen
2012 · as Jennifer

The Hero
2017 · as Charlotte Dylan

Come Early Morning
2006 · as Kim

The Chosen One
2007 · as Rachel Cruz (voice)

Romancing the Bride
2005 · as Melissa

The Killing Game
2011 · as Eve Duncan

FOX 25th Anniversary Special
2012 · as Self

Lightning Bug
2004 · as Angevin Duvet

The Pornographer: A Love Story
2004

Southlander: Diary of a Desperate Musician
2001 · as Seven Equals Five

That '70s KISS Show
2002 · as Self / Donna

Neighbros
2011 · as L Boogie