When Varlyn Stroud is looking at the monument to the dead miners in Babylon, he crosses off all the names on his list except for two. One is Henry Scudder, and the other is Kenneth Requa, who is the post-production assistant for the show.
Nick Stahl and Mark Boone Junior previously appeared together in The Thin Red Line (1998).
Nick Stahl and Leo Fitzpatrick previously appeared together in Bully (2001).