Shooting in a public plaza for the climax posed several problems. They were not allowed to begin filming until after 7pm. The two children involved were only allowed to stay on set till midnight. And while it appears that most of the cast finally assembles together for the first time in this scene, logistically most of them had to be filmed separately due to availability issues. Overall, the scene took five days to be filmed.
HRG Man reveals that his first name is Noah, the first time we hear his first name.