The series received six Primetime Emmy Award nominations during its series run. For the first season, Michael Chiklis won for Outstanding Lead Actor in a Drama Series, and the pilot episode received nominations for Outstanding Writing for a Drama Series and Outstanding Directing for a Drama Series, for Shawn Ryan and Clark Johnson respectively. Chiklis received a consecutive nomination Outstanding Lead Actor in a Drama Series for the second season. For the fourth season, Glenn Close was nominated for Outstanding Lead Actress in a Drama Series and CCH Pounder was nominated for Outstanding Supporting Actress in a Drama Series.