Mark Harmon is back as Gibbs on #NCISOrigins! Is he revisiting the past with Lala? Watch an exclusive sneak peek at Tuesday's crossover event with #NCIS! 📷: Art Streiber/CBS; CBS #CBS #ParamountPlus | TVLine

Inside the Life of Mark Harmon: NCIS’ Gibbs Revealed Mark Harmon, the iconic face behind NCIS’ Leroy Jethro Gibbs, has long captivated audiences with his steely gaze, calm authority, and complex on-screen presence. Behind the scenes, Harmon’s life is equally fascinating, blending decades of Hollywood experience with a dedication to privacy and professionalism that few actors maintain. From his early days as a rising star in television dramas to becoming the cornerstone of one of TV’s longest-run