On September 25, the sad news of David McCallum’s passing at the age of 90 from natural causes emerged, leaving NCIS fans in mourning. Mark Harmon, who portrayed Leroy Jethro Gibbs on the show since its pilot in 2003, expressed his condolences, stating, “David lived a great, full, long life. My condolences go out to Katherine and his family.” David McCallum’s cast mates, including Wilmer Valderrama, also paid tribute to the late actor. NCIS’ official social team shared their sorrow on Instagram, acknowledging McCallum’s legacy as a gifted actor and author. They expressed gratitude for CBS being his home for many years and conveyed their heartfelt condolences to his wife Katherine and entire family.
