Kōji Iwamoto Movies

A samurai answers a village's request for protection after he falls on hard times. The town needs protection from bandits, so the samurai gathers six...

Shipwreck survivors found on the presumably uninhabited Infant Island leads to a scientific expedition that discovers a surviving native population...

The Americans are swiftly closing on Okinawa, an island just south of the Japanese mainland. The Imperial command sends top generals and several army...

Japan, 1860. The men of the Mito clan, victims of the Ansei purge, anxiously prowl around the Sakurada Gate of Edo Castle with the intention of...

A floating amorphous life-form descends from the atmosphere to consume carbon in the form of diamonds.

Nuclear tests create a radioactive man who can turn people into slime.

After their lord is tricked into committing ritual suicide, forty-seven samurai warriors await the chance to avenge their master and reclaim their...

When Sergeant Okubo's brother is murdered at a Japanese outpost in Northern China during the Second World War, Okubo poses as a war correspondent and...

Japanese police detective Saburo Fujioka is suspected of corruption, demoted, and sent to the city of Kojin. Kojin is the scene of fierce fighting...

Men are being murdered by a psycho called "The Telegian," who uses a matter-transmitting device to locate his victims.

Young Guy (Kayama) competes in an electric guitar competition and plays American-style football. Released alongside Invasion of Astro Monster.

After being mistaken for an Interpol agent, a man who was just supposed to go on vacation gets mixed up in a war between two gangs intent on winning...

An early Okamoto yakuza film, though it's not in the Underworld series (along with The Last Gunfight and The Big Boss) despite being alternatively...

In this patriotic WW II drama, the Japanese army demonstrates its courage and willingness to do anything to win as they endeavor to sneak into...

This Japanese action-adventure is set in the 17th century when all forms of swordplay were banned. One fighter, an excellent swordsman believes the...

Historical drama about a sleepy-eyed ronin.

Ryuta and Mineo Komatsu are brothers, both yakuza (gangsters). Mineo, although complicit in crime, even murder, wants out of the gangster life,...

Historical drama about a sleepy-eyed ronin.

University student Arima Yasuhiro becomes acquainted with Ishihama, the president of a pharmaceutical company with a dark past, slowly but surely...