Proof of the Man

A Tokyo police detective named Munesue investigates the murder of an American man at a Japanese inn. The search for the perpetrator leads him to New York City, where he partners with a local detective named Shuftan to solve the crime and uncover hidden secrets.

Directed by Junya Satō, this crime drama is the fourth film in a sequence that includes The Private Police, Yakuza Skirmishes, and The Bullet Train. The production was handled by KADOKAWA and featured a screenplay by Zenzō Matsuyama. The movie stars Yūsaku Matsuda as Munesue and George Kennedy as Shuftan, with additional performances by Mariko Okada, Broderick Crawford, Joe Yamanaka, and Koichi Iwaki among a credited cast of 28.

Released in 1977, the film has received generally positive feedback from viewers. On IMDb, it holds a rating of 6.6/10 based on 537 votes, while it has a higher score of 7.8/10 on TMDB from 17 votes.