Network HBO Season 1997-2003 About Watch every the full series on HBO NOW: http://itsh.bo/OzNOW Plot Outline Oz is the Oswald State Correctional Facility, a maximum-security prison, a cage of concrete, steel and glass that echoes with violence. This brilliant series ch... See More Starring J.K. Simmons, R.E. Rodgers, Evan Seinfeld, Dean Winters, Scott Winters, Lee Tergesen, George Morfogen, Tom Mardirosian, Harold Perrineau, Kathryn Erbe, Chris Meloni, Michael Wright, Adewale Akkinouye-Agbaje, Anthony Chisholm, Mums, J.D. Williams, David Za At Oswald Maximum Security Penitentiary, inmates are considered lucky if they get into the prison's "Emerald City" unit. They're even luckier if they get out alive.