NCIS star Mark Harmon on show's new season and New Orleans spinoff
CBS hit crime series NCIS is the most-watched drama in the world, with more than 57 million viewers. Executive producer and star Mark Harmon talks about the upcoming 12th season.
CBS hit crime series NCIS is the most-watched drama in the world, with more than 57 million viewers. Executive producer and star Mark Harmon talks about the upcoming 12th season.