David McCallum

David McCallum is a Scottish-American actor and musician, best known for his role as Dr. Donald "Ducky" Mallard on the TV series "NCIS," where he provides medical examiner expertise. Born in 1933 in Scotland, he began his career in the 1950s as a classical musician before transitioning to acting. McCallum gained early fame with his role as Simon Templar in "The Man from U.N.C.L.E." during the 1960s. His versatile career spans music, film, and television, making him a respected figure in entertainment with a reputation for intelligence and professionalism.