Osamu Saka. Actor: Ninja Scroll. Osamu Saka was born on 7 November 1930 in Osaka, Japan. He is an actor, known for Ninja Scroll (1993), Die Jäger des Cagliostro (1979) and Kidô keisatsu patorebâ 2 (1990). He is married to Yoshiko Ôta.