Robert John Wagner Jr. (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 (1968–1970), Switch (1975–1978), and Hart to Hart (1979–1984). He also had a recurring role as Teddy Leopold in the TV sitcom Two and a Half Men (2007–2008) and had a recurring role as Anthony DiNozzo Sr. in the police procedural NCIS (2010–2019).
