The "NCIS" actor, also known for his role in the 1960s series "The Man from U.N.C.L.E.," died of natural causes on Sept. 25, per CBS News. He was 90 years old. In a statement from CBS, the network noted that McCallum was surrounded by his family at New York Presbyterian Hospital at the time of his death. CBS also added: "David was a gifted actor and author, and beloved by many around the world. He led an incredible life, and his legacy will forever live on through his family and the countless hours on film and television that will never go away."
Per People, McCallum is survived by his wife, Katherine McCallum; his sons, Paul, Valentine, and Peter McCallum; his daughter, Sophie McCallum; and his eight grandchildren.
