Majored in art history at Sarah Lawrence College; spent junior year abroad in Florence, Italy.
She turned down the role of Sasha Hassler in Face/Off (1997) because filming conflicted with her schedule for ER (1994). The role eventually went to Gina Gershon.
Born to Paul Margulies, an advertising writer, best known for an Alka-Seltzer catchphrase, and his wife Francesca, a ballet dancer, she is the youngest of three daughters.
Attended grade school at Green Meadow School in Spring Valley, New York.
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 separated in 2003.
Julianna's sister, Alexandra Margulies, appeared as a flight attendant in her final ER (1994) episode, ER: Such Sweet Sorrow (2000).
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).
Has two Abyssinian cats.
Wedding dress was designed by Narciso Rodríguez.
Her parents were both born Jewish, although her mother converted to Christianity when Julianna was five years old. Her parents' families were from Romania, Austria, Hungary, and Russia.
She has starred on two series that are set in Chicago, Illinois: ER (1994) and The Good Wife (2009).
Gave birth to her first child at age 41, a son Kieran Lindsay Lieberthal on January 17, 2008. Child's father is her husband, Keith Lieberthal.
Her husband, Keith Lieberthal, is a lawyer.
As a child, she lived in New York, England and France.
She splits her time between SoHo, Manhattan and Livingston, New York. [July 2008]
Attended the High Mowing School in Wilton, New Hampshire for High School.
Has a Bachelor's degree in liberal arts from Sarah Lawrence College.
Counts actor-director Griffin Dunne as a close friend and confidant.
When Julianna began work on The Good Wife (2009), her son Kieran was just 13-months-old.
Her favorite script-related app is called "Rehearsal 2", an iPad app that was introduced to her by Rita Wilson when she guested as Viola Walsh on The Good Wife (2009).
She was awarded a Star on the Hollywood Walk of Fame at 6621 Hollywood Boulevard in Hollywood, California on May 1, 2015.
In the 2006 movie "Snakes On A Plane" she played a flight attendant on her final flight before quitting to become a lawyer. Three years later she started her run as lawyer Alicia Florrick on "The Good Wife".
Cites her 7 minutes of screen time in the pilot of ER (1994) as the turning point in her career. Michael Crichton and Steven Spielberg had been duly impressed with her death scene, as filmed through the eyes of series boyfriend Doug Ross (George Clooney), a decision was made to 'resurrect' her character.
Friends with George Clooney.