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Actor David McCallum, known for his roles in TV series like "The Man From U.N.C.L.E." and "NCIS," has passed away at the age of 90

Richard Drew/AP file photo

McCallum died of natural causes at New York Presbyterian Hospital, as confirmed by CBS.

Richard Drew/AP file photo

David McCallum gained fame in the 1960s through his portrayal of Illya Kuryakin in "The Man From U.N.C.L.E. 

a spy series that became popular, particularly among teenage girls who were captivated by his looks and intellectual character. 

McCallum returned to television in 2003 with the series "NCIS," where he portrayed Dr. Donald "Ducky" Mallard, a pathologist 

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He took his role seriously, even spending time in a coroner's office to gain a better understanding of autopsies.

Richard Drew/AP file photo

Throughout his career, McCallum received Emmy nominations for his work on "The Man From U.N.C.L.E."  

Richard Drew/AP file photo

and made appearances in various TV shows and films, including "The Great Escape" and "The Invisible Man." 

Richard Drew/AP file photo

He was also known for his passion for music and culture, and he had a diverse family with several children.

Richard Drew/AP file photo

David McCallum was a respected actor, and his contributions to the entertainment industry will be remembered.

Richard Drew/AP file photo

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