Mary-Louise Parker net worth: Mary-Louise Parker is an American actress who has a net worth of $12 million. Mary-Louise Parker is best known for her role as a suburban dope dealer, Nancy Botwin, in the cable TV series Weed. Her performance on the series earned her several nominations, as well as a Golden Globe Award for Best Actress in 2006. Parker started to receive rave reviews early in her career, while she still performed on Broadway, earning appraisals for both Prelude to a Kiss (1990-91) and a Tony Award for Proof (2000-03). She made her big screen breakthrough in 1991′s Fried Green Tomatoes, which was followed by another remarkable performance of hers, this time in 1995′s Boys on the Side. As for TV, she made a mark with her portrayal of Harper Pitt in Angels in America (2003), as well as her recurring role as Amy Gardner on The West Wing (2001-06). Meanwhile, she went through an enormous tabloid exposure for all the wrong reasons, as jilted girlfriend, after actor Billy Crudup broke up with seven-month-pregnant Parker in 2003. But contrary to the happenings in her personal life, Parker's career since skyrocketed. In 2005, she joined the cast of Weeds as a leading lady of the show, while still making stage and movie appearances in major projects like The Assassination of Jesse James by the Coward Robert Ford (2007, opposite Brad Pitt) and The Spiderwick Chronicles (2008).