author : David McCallumfacebook : https://www.facebook.com/DavidMcCallumWriterDavid McCallum is a Scottish actor and musician. He is known for his roles as Illya Kuryakin, a Russian secret agent, in the television series The Man From U.N.C.L.E. (1964-68) and for his current role as NCIS medical examiner Dr. Donald "Ducky" Mallard in the American television series NCIS.