Seiji Miyaguchi (宮口 精二 Miyaguchi Seiji, November 15, 1913–April 12, 1985) was a Japanese actor who appeared in such films as Akira Kurosawa's Seven Samurai (as Kyuzo, the master swordsman) despite the actor's confession to have never handled a sword before the role, Ikiru as a yakuza boss from "restaurant row," and Masaki Kobayashi's Kwaidan. He died of lung cancer. Description above from the Wikipedia article Seiji Miyaguchi, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Kwaidan
(Old Man (segment "In a Cup of Tea"))
Aoi sanmyaku
(Mr. Okamoto)
The Human Condition I: No Greater Love
(Kyôritsu Ô)
The Bad Sleep Well
(Public Prosecutor Okakura)
Youth After School
(Shinkichi Yamaguchi)
Stakeout
(Yuji Shimooka, the police detective)
Mother
(Doctor)
Pale Flower
(Funada)
Fumiko's Five Benefactors
(Detective (uncredited))
Sanshiro Sugata Part Two
(Kohei Tsuzaki)
Japan's Longest Day
(Foreign Minister Shigenori Togo)
Samurai Spy
(Jinnai-Kazutaka Horikawa)
Melodies of a White Night
Early Summer
(Nishiwaki)
The Naked Executive
(Heikichi Hamanaka)
Jun'ai monogatari kusa no mi
Night Scandal
(Daizo Suzuki)
Escape from Hell
(Usuke)
Pomegranate Time
(Naokichi Kuwata)
Black River
(Kin)
Samurai from Nowhere
(Tatewaki Komuro)
The Broken Commandment
(School master)
Hajimete no Tabi
Mermaid Legend
(Tatsuo)
Night Scandal in Japan
(Detective Tasaka)
The Militarists
(Shinegori Togo)
A Dangerous Hero
悪魔の顔
River of Forever
Gekkyū dorobō
A Secret Rendezvous
(Yuichiro)
The Challenge
(Old Man)
Ikiru
(Yakuza Boss)
Throne of Blood
(Phantom samurai)
Samurai of the Great Earth
Will-o'-the-Wisp
Farewell to the Ark
(Old man)
The World's Most Beautiful Swindlers
(Detective (segment "Les Cinq Bienfaiteurs de ...") (uncredited))
Flowing
(Namie's Uncle)
The Ballad of Narayama
(Matayan)
White Snake Enchantment
(Jikan)
The Inheritance
(Yoshida)
To Love Again
Irohanihoheto
Night Butterflies
Raised in a Palace
(Tsukada)
The Good Fairy
(Assistant editor)
Farewell to Spring
(Akira's father)
Deep River Melody
The Twilight Story
Twin Sisters of Kyoto
(Takichiro Sada)
The Spell of the Hidden Gold
(Senjuro Takebe)
The Last Embrace
(Gangster)
Enraptured
Kiku and Isamu: Two Siblings Born in Japan
Punishment Room
Song of Farewell
(Masao Nomura)
A House in the Quarter
(Sanzaemon Katagiri)
Goodbye to Glory
(Hikocho)
Warrior of the Wind
Antonio Gaudí
(Boada (voice))
Our Happiness Alone
Miyamoto Musashi
(Bamboo craftsman Kisuke)
Miyamoto Musashi: Showdown at Hannyazaka Heights
(Bamboo craftsman Kisuke)
Tora-san's Dear Old Home
(Shukichi)
Akira Kurosawa: It Is Wonderful to Create: 'Seven Samurai'
(Self)
The Underworld
Accomplice
Get 'em All
(Takahashi)
Tokyo Omnibus
The Start of Life
(Tatsugoro Ishiguro)
A Descendant of Urashima Taro
The Radish and the Carrot
The Fossil
(Sunami)
Someday I'll Know
(Masao Shiroyama)
The White Peaks of Mt. Fuji
(Shūhei Isomura)
My Brother, My Love
(Ginsaku Kitagawa)
Intentions of Murder
(Genji Miyata)
The Most Valuable Wife
(Rintaro Nonomiya)
The Enforcer
Tokyo Twilight
(Policeman)
The Story of Pure Love
Untamed Woman
(Sotaro, Oshima's older brother)
The Rickshaw Man
Fireworks Over the Sea
(Gunzo Ishiguro)
That Guy and I
Seven Samurai
(Kyuzo)
Tora-san's Lovesick
Lake of Illusions
(Yoshikane Nagao)
Gulliver's Travels Beyond the Moon
(Dr. Gulliver (voice))
Admiral Yamamoto
(Ito)
The Street Without Sun
(Okimi's father)
Early Spring
(Yuzo Miura)
Three-Fingered Detective
An Inlet of Muddy Water
Beauty of Life
The Dedicated Gunman
Ah Special Attack Corps
Special Crime Investigation Front
Shōgun
(Muraji)