Ryoko Watanabe (渡辺 良子, Watanabe Ryōko) is a Japanese 1980s pink film actress and model who is best known for her Nikkatsu Roman Porno films in the period 1982–1985.
1986
1985
as Mariko Shiraishi
1985
as Shizuko Yoneda
1984
as Mikako Satsuki
1984
as Jazz Club Singer
1984
as Ryoko
1984
as Yoshie Ishiyama
1984
as Aya Matsumori
1983
as Kishiko - Prison Guard
1983
as Ami / Wife
1983
as Yuko
1983
as Midori Murasato
1982
as Mariko - Escort Service Client
1982
as Honami Watanabe
1980