Enlisted Yakuza (1968)

When Nick Davis leaves prison after one year in solitairy, he is hired to operate a forklift in a warehouse in the harbor owned by the Japanese Yakuza patriarch Isshin Tendo. The place is assaulted by the Italian Mafia lead by Dino Campanela and Nick rescues and saves the life of Shuji Sawamoto, who is the representative of Yakuza interests in America. Shuji hires Nick to work for Yakuza and becomes his godfather in the family after his oath to join Yakuza. However, Nick is a lonely FBI undercover agent assigned to penetrate the criminal organization. When the FBI discovers that Campanela is organizing a massive attack to destroy the Yakuza, Nick's boss Littman calls off the operation to leave the dirty work to the Italian Mafia. But the connection of Nick with Shuji and his goddaughter Yuko forces him to help his Japanese family.

A former American G.I. joins a yakuza family after his release from prison in post-World War II Osaka.

Zatoichi is forced to kill a young man who owes a debt to a yakuza boss. Moments later, his sister Osode arrives with the money she earned (prostituting herself) to pay his debts. The bosses true motives are revealed and he attempts to steal Osode even though the debt is paid. Zatoichi realizes his grievous error and protects the girl from the gang. Osode and Zatoichi are caught in a dilemma as she must rely on her brother's killer for protection and Zatoichi wrestles with the injustice he has caused.

Two New York cops get involved in a gang war between members of the Yakuza, the Japanese Mafia. They arrest one of their killers and are ordered to escort him back to Japan. However, in Japan he manages to escape, and as they try to track him down, they get deeper and deeper into the Japanese Mafia scene and they have to learn that they can only win by playing the game—the Japanese way.

Ryūichi and his small gang of Triad vie for control of the Japanese underworld in a crime-ridden Shinjuku quarter while Detective Jojima tries to bring it down.

After botching his latest assignment, a third-ranked Japanese hit man becomes the target of another assassin.

Kensuke Sonomura directs the legendary Hitoshi Ozawa in this ultimate V-Cinema actioner. Kaiko City is plagued with poverty and crime. When a corrupt businessman decides to run for mayor and starts eliminating opponents from the rival mafia, a former police captain serving time for murder is secretly released and put in charge of a special task force to arrest him.

Following the death of the second Tokugawa shogun, it is revealed that he was poisoned by retainers of his son Iemitsu in hopes of gaining him the shogunate despite the stammer and birthmark which undermine his respect. Iemitsu and his brother Tadanaga become bitter rivals for the shogunate, and the land is split into factions, eventually erupting into warfare. Iemitsu's mentor, his fencing instructor Yagyu, is fixated upon securing Iemitsu the shogunate and ends up betraying everyone, even his own family, in pursuit of the goal.

After years on the road establishing his reputation as Japan's greatest fencer, Takezo returns to Kyoto. Otsu waits for him, yet he has come not for her but to challenge the leader of the region's finest school of fencing. To prove his valor and skill, he walks deliberately into ambushes set up by the school's followers.

When a tough yakuza gangster is betrayed by his bosses, it means all out war. Bodies pile up as he takes out everyone in his way to the top in a brutal quest for revenge.