is a Japanese actor and singer from Chiba Prefecture. Miyauchi graduated from Nihon University. In 1969, he signed with Toei Company and made his film debut with Nagasaki Blues. He first attracted attention after landing a role in a television series, in Key Hunter on TBS. He is best known for playing some of the most memorable roles in Tokusatsu history, such as Akira Shinmei/Aoranger in Himitsu Sentai Goranger, Soukichi Banba/Big One in the Sentai series JAKQ Dengekitai, Chief Councillor Naoyuki Miura in Chōriki Sentai Ohranger, Shiro Kazami in Kamen Rider V3 (in which he also sang the opening theme for) and Ken Hayakawa in Kaiketsu Zubat. Appearances Film 1969: Nagasaki Blues 1969: Yakuza's Law: Yakuza Keibatsushi: Rinchi as Shikichi 1971: Soshiki Bōryoku Kyodaijingi as Girl Boss's yakuza boyfriend 1971: Gendai poruno-den: Sentensei inpu as Yôichirô / Yuki's boyfriend 1972: Mesubachi no chosen as Eizô Tsuyuki 1972: Mayaku baishun G-Men 1973: Sukeban as Tatsuo Teyogi 1973: Kamen Raidaa Bui Surii tai Desutoron Kaijin as Shiro Kazami "Kamen Rider V3" 1974: Five Riders vs. King Dark as Shirou Kazami "Kamen Rider V3" (voice) 1974: Onna hissatsu ken as Li Mansei 1976: Himitsu Sentai Goranger: The Bomb Hurricane (Short) as Akira Shinmei "Aorenger" 1977: Sugata Sanshiro1977: The War in Space as Morrei 1977: JAKQ Dengekitai vs. Gorenger (Short) as Sokichi Banba "Big One" / Akira Shinmei "Aorenger" (voice only) 1978: The Fall of Ako Castle1979: Aftermath of Battles Without Honor and Humanity1979: Sanada Yukimura no Bōryaku as Chosogabe Morichika 1981: Kamen Rider Super-1: The Movie as Shirou Kazami "Kamen Rider V3" (voice only) 1982: To Trap a Kidnapper1984: Fireflies in the North1984: Shura no mure1987: Tokyo Blackout1993: Za kakuto oh as Mr. Oshiro 1995: Tokyo Mafia as Hanada 1995: Chouriki Sentai Ohranger: The Movie (1995) as Chief Councillor Naoyuki Miura 1996: Tokyo Mafia 2 as Hanada 1996: Makai tenshô: mado-hen as Musashi Miyamoto 1999: Makai tenshô: The Armageddon as Musashi Miyamoto 2005: Kamen Rider: The First as Tobei Tachibana 2009: Chikashitsu2011: OOO, Den-O, All Riders: Let's Go Kamen Riders as Shirou Kazami/Kamen Rider V3, Ken Hayakawa/Zubat (both voice only) 2011: Gokaiger Goseiger Super Sentai 199 Hero Great Battle as Soukichi Banba/Big One, Akira Shinmei/Aorenger (Voice Only) 2012: Till the Death Do Us Apart Part I2012: Till the Death Do Us Apart Part II2012: Happiness in a Little PlaceDirect-to-video moviesChouriki Sentai Ohranger: Ole vs Kakuranger (1996) as Chief Councillor Naoyuki MiuraGekisou Sentai Carranger