David McCallum, the longest-tenured cast member of the hit CBS drama series, NCIS, who first became a star in the 1960s for his role as the heroic Soviet spy, Illya Kuryakin, opposite Robert Vaughn's Napoleon Solo, in The Man From U.N.C.L.E., has passed away, less than a week after his 90th birthday.
Source:https://www.cbr.com/david-mccallum-ncis-man-from-uncle-obituary/