John Francis Nolan was a British actor known for his roles as John Greer in Person of Interest. He was also the uncle of Christopher and Johnathan Nolan.
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John Francis Nolan was a London-born character actor and theater veteran known for his professional collaborations with his nephews, Christopher and Jonathan Nolan.
He is recognized for playing Douglas Fredericks in the Batman films and for his recurring role as the antagonist John Greer in the television series Person of Interest.
He maintained a steady career as a supporting character actor in British film and television, underpinned by extensive classical training and theater work.
