was a Japanese actor, voice actor, narrator and theatre director from Hakodate, Hokkaido. He was a drop-out of the legal education division of Ritsumeikan University. He was connected to Theatre Echo. He was the older brother of actor and voice actor Rokuro Naya. He was the husband of actress and voice actress Kachiko Hino. He is best known for providing the voice of Inspector Koichi Zenigata in the Lupin III franchise and for dubbing over the voices of actors Clark Gable, Charlton Heston and John Wayne in the Japanese-language editions of their films. He died on March 5, 2013 due to chronic respiratory failure. He was 83 at the time of his death. He left his wife Kachiko Hino behind.