Greatest Boss of the Showa Era Somewhat unique as it appears to be one of the very rare appearances of master thespian Itô in a yakuza role. Details Casts Galleries Posters Title Greatest Boss of the Showa Era Release Date 1966-05-30 Runtime 01 Hours 30 Minutes Genres Drama Crime Production Companies Unknown Production Countries Japan Koji Tsuruta... ... Tetsuro Tamba... ... Tatsuo Umemiya... ... I. George... ... Naoko Kubo... ... Reiko Ōhara... ... Michitarō Mizushima... ... Fumitake Ōmura... ... Akikane Sawa... ... Nakajirō Tomita... ... Hiroshi Nawa... ... Harumi Sone... ... Takamaru Sasaki... ... Shinsuke Ashida... ... Takashi Shimura... ... Yūnosuke Itō... ... Original Size (1920x1080) Original Size (500x750)