Actor. He was an exceptional Scottish actor and musician who gained immense popularity for his impeccable portrayal of Illya Kuryakin, the secret agent, in the iconic TV series "The Man from U.N.C.L.E." during the 1960s. He was born to two musical geniuses, David McCallum Sr., a renowned orchestral violinist, and Dorothy McCallum, a gifted cellist. He earned a prestigious scholarship to University College School in Hampstead, London, where he honed his musical skills in preparation for a promising career in the field. Serving with distinction in the British Army's 3rd Battalion of the Middlesex Regiment, he quickly rose to the rank of Lieutenant in 1954. He then attended the Royal Academy of Dramatic Art in London, where he landed his first acting role in "Whom the Gods Love, Die Young". Before his breakthrough success in film and television, he appeared in a variety of productions, including "Robbery Under Arms" (1957), "A Night to Remember" (1958), "Violent Playground" (1958), "The Great Escape" (1963), and "NCIS" (2003). His most memorable role came in the form of the iconic character Illya Kuryakin in the 1964 TV series "The Man from U.N.C.L.E." After the show ended in 1968, he continued to appear in numerous other productions, including medical examiner Dr. Donald "Ducky" Mallard in "NCIS". He was also a gifted musician, showcasing his talents with finesse. He married actress Jill Ireland in 1957, and they had three children together. However, their marriage ended in divorce in 1967. That same year, he married Katherine Carpenter, and they had one child together. He passed away at the age of 90 in New York-Presbyterian Hospital, New York City, leaving behind an indelible legacy in the world of entertainment.