Oz

92
Rita Moreno

as Sister Peter Marie Reimondo

69
J.K. Simmons

as Vern Schillinger

62
Christopher Meloni

as Chris Keller

78
Ernie Hudson

as Warden Leo Glynn

56
Adewale Akinnuoye-Agbaje

as Simon Adebisi

61
Eamonn Walker

as Kareem Said

59
Dean Winters

as Ryan O'Reily

60
Harold Perrineau

as Augustus Hill

52
Kirk Acevedo

as Miguel Alvarez

70
Terry Kinney

as Tim McManus

58
Lee Tergesen

as Tobias Beecher

76
Tom Mardirosian

as Agamemnon Busmalis

About Oz

About

Oz, short for Oswald State Correctional Facility, captures life in a four-story, maximum security prison. Ernie Hudson played the Warden. 

Trivia

Creator Tom Fontana at least co-wrote all 56 episodes. This was HBO's first hour long drama.