David McCallum Dies: Ducky’s 11 Best ‘NCIS’ Episodes

David McCallum, best known for his roles on NCIS and The Man From U.N.C.L.E., has passed away at the age of 90. The NCIS executive producers have expressed their deep admiration for McCallum, describing him as a “scholar and a gentleman” and a “consummate professional.” In honor of McCallum, here are the best episodes featuring his character, Dr. Donald ‘Ducky’ Mallard, on NCIS. From intense hostage situations to heartfelt emotional moments, McCallum’s performances as Ducky will be deeply missed.