Mark Harmon defined NCIS for nearly two decades. His leadership shaped the show’s tone, discipline, and emotional restraint, making Gibbs one of television’s most respected characters. As the series aged, changes began to surface. Creative control shifted, production demands increased, and Harmon’s presence slowly became more limited without clear explanation. Rather than address rumors or offer interviews, Harmon stayed quiet. That silence only fueled curiosity among fans who noticed the show f