Jules Dassin has stated that he did not read the novel "Night and the City" until after the film was completed.
Finnish censorship visa # 32043 delivered on 19-9-1950 (banned). New decision on 9-4-1965 (K-16).
In one of Harry's trips the London at night, a theatre advertises the play, 'The Third Visitor'. This play would be made into a film in 1951.