James Allen Preston Sr. (born November 13, 1932) is an American actor. Preston is best known for his role as Ozzie Cleveland on the NBC primetime television series Hill Street Blues which originally aired from 1981 until 1987. Preston was born November 13 (1932) in Washington, D.C. In addition to his role on Hill Street Blues, Preston is also known for his roles as Leo Daltry in Dallas, Richard Matthews in Santa Barbara, court-martial judge Col. J. A. Randolph, USMC in the 1992 film A Few Good ...