contexts: David McCallum McCallum at the 8th Annual Marine Corps Historic Half ( MCHH ) in Fredericksburg , Virginia , 17 May 2015 . David Keith McCallum , Jr . ( 1933 - 09 - 19 ) 19 September 1933 ( age 84 ) Glasgow , Lanarkshire , Scotland Alma mater Royal Academy of Dramatic Art Occupation Actor , musician Years active 1947 -- present Known for Illya Kuryakin ( The Man from U.N.C.L.E. ) Steel ( Sapphire & Steel ) Dr. Donald `` Ducky '' Mallard ( NCIS ) Spouse ( s ) Jill Ireland ( m . 1957 -- 1967 , divorced ) Katherine Carpenter ( m . 1967 ) Children 5
name: David McCallum
answers.input_text: short
answers.span_text: David McCallum
questions.input_text: who is the actor that plays ducky on ncis