This film has Toei Animation's highest production budget to date, at over 30 million US dollars and surpassed Steamboy (2004) as the most expensive Japanese animated film ever made.
This made more money in France and Italy than it did in its native Japan.
In previous "Harlock" stories, Tochiro Oyama's love was towards the Space Pirate Queen Emeraldas. In this story, Oyama's affection is to the alien Mime.
This is the only incarnation of the Harlock mythos in which Tochiro Oyama is not the architect of the battleship Arcadia.
This is the only story in the Leijiverse where all of the enemy forces were other humans. Unlike other Leijiverse stories, there is a notable absence of other intelligent life (friendly or hostile) in the known universe, with the exception of Mimay.