J.K. Simmons

Simmons portrays a neo-Nazi in the graphic and disturbing drama of life in a maximum security prison. The show is produced by Tom Fontana, who also wrote and produced "Homicide: Life on the Street." "Oz" just launched its second season earlier this month. Simmons' film credits include "The Jackal" and "Extreme Measures." His TV credits include: "Law and Order," "Homicide" and "Spin City."