On Thursday, the main cast was announced for the film adaptation of Mariko Ishihara's tell-all autobiography, "Fuzoroi na Himitsu." The role of Ishihara herself will be played by both 16-year-old Kazumi Horisawa and 23-year-old Risa Goto. Ryunosuke Kawai has been cast as Ishihara's former lover, Koji Tamaki. The remainder of the cast includes Yuri Adachi (mother of talento Yumi Adachi) and Naoya Oshima (formerly of comedy duo Doronz).