is a Japanese actress. From 1983 to 1996, she portrayed the nurse Shiho in Series 7âÂÂ14 of the long-running prime-time series à Âoka Echizen on the nationwide Tokyo Broadcasting System network. A frequent guest star in jidaigeki roles, she has seven appearances in Mito Kà Âmon to her credit. Contemporary roles include parts in a 2004 television series spinoff of Castle of Sand and the 1985 Star Tanjà Â. Ritsuko also acts in two-hour mystery dramas, with roles in the Monday, Wednesday and Saturday prime-time slots.
Ritsuko has appeared in two films. She was in the 1994 Natsu no Niwa: The Friends, directed by Shinji SÃ Âmai and in the 2005 Semi Shigure, directed by Mitsuo Kurotsuchi.
Her product endorsements include advertisements for Calpis, House Foods, and Lake (Shinsei Financial Co., Ltd.).