Filmed back-to-back with Stray Cat Rock: Wild Jumbo (1970). Meiko Kaji and the Alleycats were shuttled back and forth between the two sound studios, although the male leads all stayed put.
Two of the main actors portraying "haafu" or characters of mixed ethnic backgrounds, Rikiya Yasuoka and Rikiya Yasuoka, were genuinely of mixed heritage. Rikiya Yasuoka was of Italian and Japanese parentage, while Ken Sanders is Afro-Japanese.