Even after 18 seasons, NCIS is still one of the most popular TV shows to this day. Still, fans have had to say goodbye to many really popular cast members over the years and it wasn't easy in some cases!
NCIS Exits: The Saddest Cast Departures and Deaths
Deaths, departures, and more have led to shocking and heartbreaking exits over the show's long history. And only a few long-tenured stars remain today, including David McCallum and Brian Dietzen.
From the early seasons to the newest episodes airing today, these exits were the saddest moments on NCIS...