Born in Spring Valley (near New York City) as youngest of three daughters of a former dancer in American Ballet and an advertising writer. Until beginning high school in New Hampshire at 14, she lived several years with her family in Paris and in England. Obtained a B.A. degree in liberal arts from Sarah Lawrence College, where she appeared in several plays on campus. Until her first role in Out for Justice she jobbed as waitress. It took more than a year to find another role; during that time she managed to support herself from several regional theater productions and national TV ads. Until she became regular in ER, she guest starred in several TV shows and a pilot.



Majored in art history at Sarah Lawrence College; spent junior year abroad in Florence, Italy. Born to Paul Margulies, an advertising writer, best known for an Alka-Seltzer catch phrase, and his wife Francesca, a ballet dancer, she is the youngest of three daughters. One of People Magazine's "50 Most Beautiful People in the World" (1998). Met her former boyfriend, Ron Eldard, in an acting class in 1991. They broke up in 2003. Julianna is the only cast member of "ER" (1994) to have ever received an Emmy Award, plus she has been awarded the Screen Actors Guild Award for "Outstanding Performance by a Female Actor in a Drama Series" two years in a row (1998 and 1999). Wears a size 5 dress. Has a B.A. degree in liberal arts from Sarah Lawrence College. Her parents are Jewish, although her mother converted to Christianity when Julianna was five years old. She has starred in two series that are set in Chicago: "ER" (1994) and "The Good Wife" (2009).