Ishizaka Kouji (Real Name: Mutou Heikichi, 武藤兵吉) was born June 20, 1941 in Kyobashi (present Chuo, Ginza), Tokyo, Japan. He is an actor and narrator and the founder and current representative director of Ishizaka Musical Enterprise (石坂ミュージカル・エンタープライズ).

Ishizaka graduated from the Department of Law at Keio University. He started his acting career in the drama お源のたましい in 1958 during his high school days and joined Gekidan Shiki uppon graduating from university.

(Source: AniDB)