Type movie Release Date Aug 23, 2018 Country South Korea Language Korean Korean Genre Romance Cast Park Bo-young as Hwan Seung-hee Kim Young-kwang as Hwang Woo-yeon Kang Ki-young as Ok Geun-nam Go Gyu-pil as Gu Kong-ja Jang Seong-beom as Choi Soo-pyo Cha Yup as Lee Taek-gi Seo Eun-soo as Park Min-kyung Bae Hae-sun as Seung-hee's Mother Ahn Kil-kang as Woo-yeon's Father Shin So-yul as So-jung Song Jae-rim as Yoon-geun So Hee-jung as Woo-yeon's Mother Lim Hyung-jun as Mr. Bae Kim Hyun-sook as Ms. Min Jung Da-won as Boarding Student Yoo Hee-je as Taek-gi's Subordinate Ha Jun as Seung-hee's Partner Lee Joo-Chan as Student Yoon Kyung-ho as Detective Baek Seung-chul as Police Station Detective Squad Chief References imdb instagram