<P> 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 . </P>
<P> 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 . </P>
who plays tony dinozzo 's father on ncis
who plays tony dinozzo 's father on ncis
Robert John Wagner , Jr.
Robert John Wagner , Jr.