From Wikipedia, the free encyclopedia. Karen Jane Allen (born October 5, 1951) is an American actress best known for her role as Marion Ravenwood in Raiders of the Lost Ark (1981) and Indiana Jones and the Kingdom of the Crystal Skull (2008). Allen has also had roles in films including National Lampoon's Animal House (1978), The Wanderers (1979), Cruising (1980), Starman (1984), Scrooged (1988), The Sandlot (1993), and Poster Boy (2004).