Boss of the Underworld Cast Kôji Tsuruta Akira Takarada Toshiro Mifune Yumi Shirakawa Mitsuko Kusabue Keiko Yanagawa Rumiko Sasa Seizaburô Kawazu Akihiko Hirata Haruo Tanaka Yutaka Nakayama Nadao Kirino Ren Yamamoto Kôji Iwamoto Mickey Curtis Yosuke Natsuki Sachio Sakai Shoichi Hirose Hiroshi Takagi Akira Sera Tadao Nakamaru Kunihori Kodo Ikio Sawamura Miki Hayashi Ren Imaizumi Eisei Amamoto Haruya Kato Shin Otomo Sonomi Nakajima Michiyo Yokoyama Fumiko Honma Katsuji Ichimura