
Shigeru Amachi (天知 茂, Amachi Shigeru, 4 March 1931 – 27 July 1985) was a Japanese actor. He appeared in more than 120 films from 1953 to 1984.
Amachi joined the Shintoho studio as one of its "New Face" actors of 1951 and established himself in action and jidaigeki films. He gained fame for the nihilistic mood of his character in Akatsuki no hijōsen and starred in Nobuo Nakagawa's version of Tokaido Yotsuya kaidan (1959). On television, he played the hardboiled detective in Hijō no raisensu and Kogoro Akechi in a long-running series of TV specials. On stage he was best known for playing Hishakaku in Jinsei gekijō.

The Tale of Zatoichi
1962 · as Miki Hirate

Port Arthur
1980 · as Kentaro Kaneko

Jigoku
1960 · as Shirô Shimizu

Girl Wife: The Terrified Sixteen-Year-Old
1960

Ghost Story of Yotsuya
1959 · as Iemon Tamiya

Yakuza Hooligans
1966 · as Sugiyama

Zatoichi's Vengeance
1966 · as Genpachiro Kurobe

A Scarred Life 2: Blood Will Tell
1972 · as Ryukichi

Emperor Meiji and the Great Russo-Japanese War
1957

Sword of the Beast
1965 · as Vice-Counselor

The Rambler Rides Again
1960

Destiny's Son
1962 · as Sôshi Tada

Yakuza Wanderer: Villainous Livelihood
1969

Beauty with a Mysterious Scar
1985 · as Kogoro Akechi

Yellow Line
1960 · as Kazuhiro Moroki

Admiral Yamamoto and the Allied Fleets
1956

Rusty Knife
1958

Dead Angle
1979