Robert Wagner as Anthony DiNozzo, Sr.
On NCIS: Anthony DiNozzo, Sr. is the extremely charming father of former NCIS Special Agent Anthony DiNozzo, Jr. While his relationship with his son hasn't always been the greatest, the two have worked hard over the years to mend their bond, and in "Family First," they seem closer than ever.
Where you may have seen him on CBS: Robert plays Teddy Leopold on Two And A Half Men.
Watch Senior bring a smile to DiNozzo's face in "You Better Watch Out" on CBS All Access.