Chulack continued to serve as the series' most prominent director and helmed a further four episodes. Thorpe directed three more episodes. Charles Haid returned to the series for the first time since the first season to helm two episodes. New director Darnell Martin was the season's only other repeat director with two episodes. Other directors making their series debut with the fourth season were executive producer John Wells, Christopher Misiano, T.R. Subramaniam, and Sarah Pia Anderson. Regular directors returning to the series for single episodes include Jonathan Kaplan, Félix Enríquez Alcalá, Lesli Linka Glatter, and Thomas Schlamme. Cast member Anthony Edwards moved behind the camera to direct a further episode of the series. Editor Jacque Toberen and producer Lance Gentile each directed a single episode of the fourth season.