Robert John Wagner, Jr. (pronounced / ˈwæɡnər /; born February 10, 1930) is an American actor of stage, screen, and television, best known for starring in the television shows It Takes a Thief (1968 -- 70), Switch (1975 -- 78), and Hart to Hart (1979 -- 84). He also had a recurring role as Teddy Leopold on the TV sitcom Two and a Half Men and has a recurring role as Anthony DiNozzo Sr. on the police procedural NCIS.
who plays tony dinozzo's father on ncis
Robert John Wagner, Jr.