Ryôko Sakaguchi was born on October 23, 1955 in Yoichi, Hokkaido, Japan. She was an actress, known for Ultraman Taro (1973), Inugami-ke no ichizoku (1976) and Wakai Sensei (1974). She was married to Tateo Ozaki. She died on March 27, 2013 in Tokyo, Japan.