
Mark Harmon’s Real-Life Inspiration for Gibbs’ Rules Shocks NCIS Fans — Emotional Family Reveal!
Mark Harmon didn’t just play Leroy Jethro Gibbs on NCIS—for 18 unforgettable seasons, he embodied him. The silent strength, the unwavering integrity, the no-nonsense stare? That wasn’t just acting. That was Tom Harmon’s son channeling a lifetime of hard-earned wisdom. “If It’s Not True, Don’t Worry About It.” In a rare interview with People, Harmon…