VIDEO : Julianna Margulies Cast as Lead New Series 'The Hot Zone'

Julianna Margulies has been cast as the lead in National Geographic?s new scripted series ?The Hot Zone". The ?ER? and ?Good Wife? alum will play Dr. Nancy Jaax in the series, which is based on the book by Richard Preston. The series focuses on the true story of the Ebola virus? origins in the central African rain forest and first arrival in the United States. According to SF Gate, ?The Hot Zone? is being billed as a dramatic, high-stakes scientific thriller.