This is the category page for all characters who are depicted with a yellow box, meaning that they possess knowledge of the Machine.

Some people know of the Machine, but they aren't shown with a yellow box (who are often threats to the Machine, thus are in red boxes), including Greer, Peter Collier, and everyone in the courtroom during the kangaroo trial exempt the defendants who knew about the Machine (“A House Divided”); though, all the people known in this case all deseased when the series ends, and the last one surviving was Greer. (“.exe”)


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