She made several stage appearances, winning a 1971 Theatre World award as Estelle in the play Father's Day, and she portrayed Eunice Tate-Leitner, the snobbish daughter of Chester and Jessica Tate in the television comedy series Soap. An early movie role was in Midnight Cowboy (1969) as Joe Buck's hometown lover, Crazy Annie. While living with actress Margot Kidder in Malibu in the early 1970s, she worked in tandem with American director Brian De Palma in the films The Wedding Party (1969), Hi, Mom! (1970), and Sisters (1972), and appeared with Cornel Wilde and Scott Glenn in the TV film Gargoyles (1972).[citation needed].
Salt has retired from acting, and pursued a writing career, including episode scripts for Nip/Tuck and other programs. In 1998, she landed her first steady job in her new profession as a low-rung writer on a cable detective drama titled Sins of the City.[3] She is a co-writer of the script for the Julia Roberts film Eat Pray Love (2010) based on Elizabeth Gilbert's best-selling memoir of the same name.[5] She was an executive producer on the American Horror Story anthology series. In 2011, Salt helped work on a pilot for an HBO series based on the memoir Foreign Babes in Beijing written by Rachel DeWoskin.[2]