This article discusses the real-life relationships of the cast members of the television show NCIS. The relationships include friendships, romances, and marriages. The article highlights the close friendships between Mark Harmon and David McCallum, as well as the marriage between Michael Weatherly and Bojana Jankovic. It also mentions the romantic relationship between Sean Murray and Carrie James. The article shows that the cast members of NCIS have developed strong bonds off-screen, which adds to the chemistry and success of the show.