Mary Sean Young (born November 20, 1959) is an American actress, who is best known for her roles in movies in TheEighties such as ''Film/BladeRunner'' and ''Film/NoWayOut'', but has also been known for some of her bizarre antics including being sued by James Woods for sexual harassment - although Woods later recanted the charges, blaming his then-wife for a misunderstanding - and for trying to get the role of ComicBook/{{Catwoman}} in ''Film/BatmanReturns'' by wearing a homemade costume to impress the makers of the film. She has since appeared in many reality TV shows recently including on Celebrity Rehab for her treatment for alcohol addiction.

!!Her films include:
* ''Film/{{Stripes}}'' (1981) as Louise Cooper
* ''Film/BladeRunner'' (1982) as Rachael
* ''Film/{{Dune}}'' (1984) as Chani
* ''Film/BabySecretOfTheLostLegend'' (1985) as Susan Matthews-Loomis
* ''Film/NoWayOut'' (1987) as Susan Atwell
* ''Film/WallStreet'' (1987) as Kate Gekko
* ''Film/FireBirds'' (1990) as Billie Lee Guthrie
* ''Literature/AKissBeforeDying'' (1991) as Dorothy/Ellen Carlsson
* ''Film/FatalInstinct'' (1993) as Lola Cain
* ''Film/AceVenturaPetDetective'' (1994) as Lois Einhorn
* ''Film/DrJekyllAndMsHyde'' (1995) as Helen Hyde
* ''Film/SugarAndSpice'' (2001) as Mrs. Hill