The song played over the end credits is by Tomohisa Yamashita who plays Aki.
"The Head" was filmed in Iceland and the Canary Islands.
The black and white portrait by the stairwell is of Norwegian polar explorer and statesman Fridtjof Nansen. The other was Captain Lawerence Oats he was part of tera nova expedition to the South Pole with Sir Robert Scott
The movie the remaining crew is watching in the first episode is John Carpenters The Thing (1982).
The opening song of the first chapter is "Sarandonga", by Lolita Flores.