Mariko has done the following roles in anime.

Marmalade Boy	Mari
Marmalade Boy	Takase Yayoi
Metal Fighter Miku [1994]	Nana
Miyuki-chan in Wonderland	girl
Sailor Moon {S movie}	Snow Dancer
Sei Mikaera Gakuen Hyouryuuki II	Aoike Hisami

Mariko has done the following roles in games.

Angel Graffiti -Anata he no profile- [PlayStation]	Shimazu Seri
Doukyuusei [PC Engine]	Tanaka Misa
Private Eye Dol [PC Engine]	Mei