Redline is a 2009 Japanese animated science fiction film produced by Madhouse and directed by Takeshi Koike in his directorial debut. It stars Takuya Kimura, Yū Aoi, Tatsuya Gashūin, Yoshinori Okada, Kanji Tsuda, Yoshiyuki Morishita, Akemi, Takeshi Aono, Kōsei Hirota, Unshō Ishizuka, Kenta Miyake, Kōji Ishii, Chō, Kenyu Horiuchi, Tadanobu Asano, and its screenplay was written by Katsuhito Ishii, Yōji Enokido and Yoshiki Sakurai, based on an original story by Ishii. It is set in the distant future, where a man known as JP takes on great risks for the chance of winning the titular underground race.
