- Country: Japan
- Genres: Crime
- Release:
- Director: Kiyoshi Saeki
- Writers: Akira Murao
- Language: Japanese
- Stars: Koji Tsuruta , Tatsuo Umemiya , Tetsurō Tamba , Yūnosuke Itō , Takashi Shimura , Reiko Ohara , Hiroshi Nawa , Naoko Kubo , Asao Uchida , Jôji Ai
- Runtime: 90 min
- Awards: N/A
- AKA: Greatest Boss of the Showa Era , Showa saidai no kaoyaku (Japan) , Showa Saidai No Kaoyaku (India) , Showa saidai no kaoyaku
- Plot: Somewhat unique as it appears to be one of the very rare appearances of master thespian Itô in a yakuza role.
- IMDB:tt0060972
Showa saidai no kaoyaku Cast · · · ALL
Kiyoshi Saeki
Director
Koji Tsuruta
Tetsurō Tamba
Tatsuo Umemiya
Naoko Kubo
Reiko Ôhara
Michitarō Mizushima
Fumitake Ômura
Akikane Sawa
Nakajirô Tomita
Hiroshi Nawa
Harumi Sone
Takamaru Sasaki
Shinsuke Ashida
Takashi Shimura
Yūnosuke Itō