Michael Manning Weatherly , Jr. ( born July 8 1968 ) is an American actor , writer , singer and director , best known for his role as Special Agent Anthony DiNozzo on the television series `` NCIS '' , a spin-off of the American military series , JAG ( TV series ) .
Michael Manning Weatherly , Jr. ( born July 8 , 1968 in New York City ) is an American actor . He is best known for his role as Special Agent Anthony DiNozzo on the television series `` NCIS '' .