David McCallum, beloved for his role as Dr. Donald “Ducky” Mallard on NCIS, was a consistent presence on the show since its beginning. But in the later seasons, fans began to notice his appearances becoming less frequent. While the character remained part of the NCIS family, McCallum gradually stepped back from full-time duties—a decision rooted not in career shifts, but in something far more personal.

As he entered his later years, McCallum chose to reduce his workload to spend more quality time with his family. After decades in the entertainment industry, he recognized the importance of cherishing moments with his wife, children, and grandchildren. This quiet shift allowed him to be more present in his personal life while still honoring the role that made him a fan favorite.

Rather than an abrupt farewell, McCallum’s character transitioned gently into a more advisory role, often appearing via video calls or brief scenes. The show’s producers respected his wishes, finding ways to keep Ducky’s spirit alive without demanding long hours on set. It was a fitting compromise for a man who had given so much to the series.

In hindsight, his decision feels even more poignant following his passing. By stepping back on-screen, McCallum was fully present where it mattered most—at home. His legacy on NCIS lives on, but so does the love he prioritized in his final years.