running one over the course of the show  (excluding background nurse characters such as Haleh and Malik),  having worked at the hospital from 1995 to 2007 (versus 1994 to 2005  for Wyles character). After her departure, the entire cast from the  first five seasons is gone. Goran Visnjic (qv), the oldest  remaining cast member at this point, joined at the beginning of the  6th season.