Hiroyuki Nagato (長門裕之, Nagato Hiroyuki; 10 January 1934 – 21 May 2011), stage name of Akio Kato (加藤晃夫), was a Japanese actor. He starred in Season of the Sun, Endless Desire, My Second Brother, Stolen Desire, and Sukeban Deka, and Yo-Yo Girl Cop.
Source: “Hiroyuki Nagato”, English Wikipedia (CC BY-SA 4.0), excerpt