NCIS fans were deeply saddened on September 25 by the somber news of David McCallum’s passing at the age of 90 due to natural causes. Mark Harmon, who has portrayed Leroy Jethro Gibbs since the show’s pilot in 2003, offered his heartfelt condolences, stating, “David lived a remarkable and fulfilling life.”
Katherine and his loved ones are in my thoughts.” McCallum’s colleagues, such as Wilmer Valderrama, also paid tribute to the late actor. The official NCIS social media team shared their sorrow on Instagram, acknowledging McCallum’s talents as both an actor and author. They expressed gratitude to CBS for being his home for many years and extended heartfelt condolences to his wife Katherine and the entire family.