The impact of his character was profound, as his warmth and intelligence resonated with viewers. Ralph Waite, known for his role as Jackson Gibbs, also left an indelible mark before passing away in 2014 at 85. Other notable losses include Miguel Ferrer, who portrayed Assistant Director Owen Granger, and Gary Glasberg, the show’s esteemed showrunner, whose unexpected death in 2016 shocked the industry.