David McCallum was a Scottish actor. He voiced Alfred J. Pennyworth in the animated feature Batman: Gotham Knight, later voicing another version of the character in the DC Animated Movie Universe films Son of Batman and Batman vs. Robin. McCallum also voiced Merlin in the Batman: The Brave and the Bold episode "Day of the Dark Knight!".
David is best known for his roles as Secret Agent Illya Kuryakin in the 1960s spy series The Man from U.N.C.L.E., and NCIS Medical Examiner Dr. Donald "Ducky" Mallard in the military police procedural series NCIS.
