Oz The daily lives of prisoners in Emerald City, an experimental unit of the Oswald Maximum Security Prison where ingroups - Muslims, Latinos, Italians, Aryans - stick close to their mutual friends and terrorize their mutual enemies. Details Casts Season Lists Title Oz Genres Crime Drama First Air Date 1997-07-12 Last Air Date 2003-02-23 Episode Runtime 01 Hours 00 Minutes Total Season(s) 6 Total Episode(s) on All Seasons 56 Runtime 60 Production Companies The Levinson/Fontana Company, Rysher Entertainment Lee Tergesen Tobias Beecher Harold Perrineau Augustus Hill Dean Winters Ryan O'Reily Eamonn Walker Kareem Saïd Ernie Hudson Leo Glynn Terry Kinney Tim McManus Rita Moreno Sister Peter Marie Reimo? J.K. Simmons Vernon Schillinger Kirk Acevedo Miguel Alvarez Craig muMs Grant Poet BD Wong Father Ray Mukada Tom Mardirosian Agamemnon Busmalis Christopher Meloni Chris Keller Scott William Winters Cyril O'Reily Season 1 8 Episodes 1997-07-12 Season 2 8 Episodes 1998-07-11 Season 3 8 Episodes 1999-07-14 Season 4 16 Episodes 2000-07-12 Season 5 8 Episodes 2002-01-06 Season 6 8 Episodes 2003-01-05