Congratulations, Cara Buono!
According to Michael Ausiello, the actress - best known for roles on The Sopranos and Dead Zone - has landed the role of ER's final fatality. Most likely.
Buono character, Lisa, is a 36-year-old pregnant woman who goes into labor after getting into a car crash. An ER rep would only say that Buono is playing one of ER's "last trauma patients.
The ER series finale is scheduled to air on April 2.