Amachi joined the Shintoho studio as one of its "New Face" actors of 1951 and established himself in action and jidaigeki films.

[1] 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).

[1] On television, he played the hardboiled detective in Hijō no raisensu and Kogoro Akechi in a long-running series of TV specials.

[1] On stage he was best known for playing Hishakaku in Jinsei gekijō.

This article about a Japanese film actor is a stub.