Nolan was born in
London, England, on 22 May 1938. He was married to
Kim Hartman from 1975 until his death; he had a son and a daughter. He was the paternal uncle of brothers
Christopher and
Jonathan Nolan. He had a recurring role in his nephew Jonathan's television series
Person of Interest as John Greer, a mysterious British figure connected with Decima Technologies and the main villain from seasons three to five of the show. Nolan died on 11 April 2026, aged 87. ==Filmography==