Miyauchi Kohei was a Japanese actor, voice actor, and narrator, born in Kagoshima, Japan. He was affiliated with Geikyo and Aoni Production.
He graduated from the Bungakuza Theatre Arts Academy and was a founding member of Geikyo. Miyauchi began his career on stage, debuting in Alexander Ostrovsky's "Thunderstorm".
Later, he started voice acting to support himself, initially with Ezaki Productions and Office Oo, before joining Aoni Production.
Miyauchi passed away on June 2, 1995, at the age of 65, due to a ruptured abdominal varix at Nihon University Itabashi Hospital in Tokyo.
(Source: Japanese = Wikipedia || Translation = MyDramaList)