Many are unaware that Mark Harmon's love for NCIS rivaled the show's love for him, which they proved by repeatedly paying ...
Mark, then barely a high school student, made his commercial debut for a Kellogg's ad, alongside his dad Tom Harmon. Tom, who passed away aged 70 in 1990, was a football player, for the Michigan ...
Harmon was in his 70s when he left "NCIS," but he didn't quit ... Read more: The 10 Best Sherlock Holmes Actors, Ranked As previously mentioned, Mark Harmon never completely left "NCIS." ...