Actor David McCallum, known for his role on the long-running CBS procedural “NCIS,” has died, the network said in a statement. He was 90.

AP1975 FILE - David McCallum, star of the NBC-TV series "The Invisible Man," is shown during an interview with Jay Sharbutt at NBC studios in New York, Aug. 28, 1975.

McCallum died Monday of natural causes surrounded by family at New York Presbyterian Hospital, CBS said in a statement. “David was a gifted actor and author, and beloved by many around the world.

Actor David McCallum, who became a teen heartthrob in the hit series "The Man From U.N.C.L.E." in the 1960s and was the eccentric medical examiner in the popular "NCIS" 40 years later, has died ...

Actor David McCallum, who became a teen heartthrob in the hit series "The Man From U.N.C.L.E." in the 1960s and was the eccentric medical examiner in the popular "NCIS" 40 years later, has died ...

David McCallum, who became one of TV's biggest stars of the 1960s playing Russian spy Illya Kuryakin on "The Man from U.N.C.L.E." and then won over a new generation of fans on the popular "NCIS ...

David McCallum was a staple in Variety's pages, from his earliest days as a British actor of 'rising reputation' through his 20-year run on 'NCIS.' ...

Actor David McCallum, who became a teen heartthrob in the hit series "The Man From U.N.C.L.E." in the 1960s and was the eccentric medical examiner in the popular "NCIS" 40 years later, has died ...

'NCIS' Star David McCallum Dead at 90: 'A Scholar and a Gentleman' McCallum — who starred as Dr. Donald "Ducky" Mallard on the CBS procedural — died of natural causes at New York Presbyterian ...

NCIS veteran David McCallum, also known for his Emmy-nominated role in The Man From U.N.C.L.E., died September 25 of natural causes in New York. He was 90.