Mark Harmon Remembers His NCIS Co-Star David McCallum
Mark Harmon recently reflected on his longtime friendship with fellow NCIS actor David McCallum, remembering both their years working together and the strong bond they built on set. Harmon described McCallum as a respected colleague and mentor whose professionalism and calm presence helped shape the atmosphere of the show.
Best known for playing Dr. Donald “Ducky” Mallard, McCallum became one of the most beloved characters in NCIS. Harmon noted that his co-star’s kindness, dedication, and influence left a lasting mark on the cast, crew, and fans of the long-running series.
