Girl Boss: Diamond Showdown Keiko Aizawa a vengeance-crazed vixen sets out on a journey to avenge the death of her older sister. Details Casts Galleries Posters Title Girl Boss: Diamond Showdown Release Date 1974-01-15 Runtime 01 Hours 27 Minutes Genres Action Drama Production Companies Toei Company Production Countries Japan Reiko Ike... Keiko Aizawa... Tsunehiko Watase... Kuroki Tatsuya... Ryôko Ema... Kuroki Eri / Razor Eri... Ritsuko Fujiyama... Miwa Tatibana... Mitsuko Aoi... Mayumi... Katsumasa Uchida... Isozaki Kanji... Tōru Abe... Oshima Humio... Rena Ichinose... Ota Setsuko... Tamaki Katsura... Kyoko... Jun Midorikawa... Kiyoko... Hiroki Matsukata... Matsumoto... Hideo Murota... Hirata Yayoi... Kinji Nakamura... Endou... Masataka Naruse... Hazime... Rie Saotome... Nobuko... Rika Sudo... Matsuo Satie... Tōru Yuri... Mimura... Original Size (1280x720) Original Size (1000x1500) Original Size (500x750)