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JK
Biography
Jonathan David Korkes (December 4, 1945 – December 2025) was an American film, stage, and television actor, best known for the recurring role of corrections officer Tom Robinson in the drama television series Oz from 2001 to 2003.
Filmography20 titles

Homicide: Life on the Street
1993as Boomer Mason
1993as Boomer Mason

Law & Order: Special Victims Unit
1999as Terence Moore
1999as Terence Moore

All in the Family
1971as Mr. Bradford
1971as Mr. Bradford

The Larry Sanders Show
1992as Stu
1992as Stu

Law & Order: Criminal Intent
2001as Ralph Bannerman
2001as Ralph Bannerman

The Mary Tyler Moore Show
1970as Beck Wilson
1970as Beck Wilson

Moonlighting
1985as Winston Guy
1985as Winston Guy

Law & Order
1990as Malone's Attorney
1990as Malone's Attorney

Starsky & Hutch
1975as Terry Nash
1975as Terry Nash

The Front Page
1974as Rudy Keppler
1974as Rudy Keppler

Maude
1972as Officer Cosgrove
1972as Officer Cosgrove

The Out of Towners
1970as Looter
1970as Looter

Riding in Cars with Boys
2001as Counselor
2001as Counselor

Cinderella Liberty
1973as Dental Corpsman
1973as Dental Corpsman

Catch-22
1970as Snowden
1970as Snowden

The Double
2013as Detective
2013as Detective

Two-Minute Warning
1976as Jeffrey
1976as Jeffrey

The Outside Man
1972as First Hawk
1972as First Hawk

The Day of the Dolphin
1973as David
1973as David

Between the Lines
1977as Frank
1977as Frank