Katherine Elizabeth Vernon (born April 21, 1961) is a Canadian-born American actress. She is known for her roles as Lorraine Prescott on the CBS primetime soap opera Falcon Crest (from 1984–1985), the stuck-up and popular Benny Hanson in the comedy film Pretty in Pink (1986), Sophia in the 1992 Spike Lee film, Malcolm X, and Ellen Tigh in the 2004 Syfy series Battlestar Galactica.