Mark Harmon recently shared heartfelt memories of his late NCIS co-star David McCallum, reflecting on their years working together. Harmon, who played Leroy Jethro Gibbs, spoke about McCallum’s intelligence, humor, and kindness, calling him the heart of the NCIS family.
McCallum, best known for playing Dr. Donald “Ducky” Mallard, passed away at 90, leaving behind a legacy of memorable performances. Harmon recalled how McCallum brought depth and charm to his role, making Ducky one of the show’s most beloved characters. He also praised McCallum’s dedication and ability to make every scene better with his presence.
Beyond the set, Harmon and McCallum shared a deep respect for one another. Harmon described McCallum as not just a talented actor but also a wonderful friend. He emphasized how much he will be missed, both on NCIS and in the hearts of those who knew him.
