NCIS fans adored David McCallum in his role as Ducky, but studio bosses reportedly were not happy with the decision to cast ...

Dr. Ducky on 'NCIS,' David McCallum played a clever and selfless POW in the iconic World War II epic, 'The Great Escape.' ...

Man From U.N.C.L.E star David McCallum's heartbreak when famous actor stole his wife ...