John Nolan was an English actor born in London in 1938 whose career included a long collaboration with director Christopher Nolan, beginning with a lead role in Nolan's micro-budget debut feature 'Following'. He went on to appear as Fredericks in both 'Batman Begins' and 'The Dark Knight Rises', and had a small but memorable role in 'Dunkirk' as a blind man comforting a shell-shocked soldier. Nolan achieved wider recognition as the mysterious antagonist John Greer across the CBS series 'Person of Interest'. He died in 2026, remembered for his understated, versatile character work across six decades. Read more