Kōji Ishizaka (石坂 浩二, Ishizaka Kōji; born 20 June 1941 in Tokyo as Heikichi Mutō (武藤 兵吉, Mutō Heikichi)) is a Japanese actor. Ishizaka graduated from Keio University with a B.L. degree. He serves as a special advisor for the Japan Plamodel Industry Association, and on 23 February 2009, he founded Rowguanes, a plastic model enthusiast group for the baby boomers. He starred as Kosuke Kindaichi in the 1970s series of Kindaichi films.
Source: “Kōji Ishizaka”, English Wikipedia (CC BY-SA 4.0), excerpt