Tetsuo Narikawa (成川 哲夫, Narikawa Tetsuo; 15 April 1944 – 1 January 2010) was a Japanese actor who was famous for playing the title role of Spectreman. He was also a specialist in karate and judo, and he was founder and president of the International Karate League in Japan.
Source: “Tetsuo Narikawa”, English Wikipedia (CC BY-SA 4.0), excerpt