20th Century Girl A first love pov story. In 1999, a teen girl keeps close tabs on a boy in school on behalf of her deeply smitten best friend – then she gets swept up in a love story of her own. Details Casts Title 20th Century Girl Release Date 2022-10-06 Runtime 01 Hours 59 Minutes Genres Romance Drama Production Companies Yong Film, CJ ENM Studios Production Countries South Korea Kim You-jung Na Bo-ra Byeon Woo-seok Poong Woon-ho Park Jung-woo Baek Hyun-jin Roh Yoon-seo Kim Yeon-du Kim Sung-kyung Bo-ra's Mother Jeong Seok-yong Bo-ra's Father Yoon Yi-reh Madam Jeon Hye-won Darn It Kim Nu-rim Dong-wook Han Hyo-joo Adult Na Bo-ra Lee Beom-soo School Teacher Ryu Seung-ryong Poong Woon-ho's Father Park Hae-joon Doctor at School Infirma? Gong Myoung Jung Woon-ho Ong Seong-wu Joseph / Poong Joon-ho Kang Chae-young Bok-soon Bang Woo-ri Yeon-du's Mother Lee Cheon-mu Bo-ra's Brother Jo Ji-hyeon Teacher Lee Woo-sung Min Hong-gi Choi Kyo-sik Mailman Jeong Min-jun Young Joseph Shin Dong-ryeok Mulberry Extract Vendor