Blair Underwood Dr. Ben Turner Actor Vivica A. Fox Actor Michael Warren Ron Harris Actor Robert Morse Actor Hill Harper Dr. Wesley Williams Actor Phil Buckman Dr. Geoffrey Weiss Actor Maya Rudolph Nurse Grace Patterson Actor T.E. Russell Dr. Arthur Jackson Actor Viola Davis Nurse Lynette Peeler Actor Mik Scriba Guest Star Mari Weiss Guest Star Tamara Taylor Guest Star Manny Kleinmuntz Guest Star Tony Perez Guest Star Beau Billingslea Guest Star Dianna Maria Riva Guest Star Charles Emmett Guest Star Harold Sylvester Guest Star, Writer John Lafayette Guest Star Gregg Daniel Guest Star Steven Bochco Executive Producer, Writer Paris Barclay Executive Producer, Director, Writer Nicholas Wootton Producer, Writer Rick Wallace Director Kevin Hooks Director Joe Ann Fogle Director Michael Schultz Director Clark Johnson Director Dianne Houston Director, Writer Reginald Hudlin Director W.W. Vought Writer Jonathan Hiatt Writer Dayna Kalins Writer