On Your Wedding Day Do you remember? Your first love. Through the course of their lives, a man and his first love are repeatedly separated from each other because of circumstances out of their control. Details Casts Videos Galleries Posters Title On Your Wedding Day Release Date 2018-08-22 Runtime 01 Hours 50 Minutes Genres Romance Drama Production Companies Filmmaker R&K, filmK, Plus M Entertainment Production Countries South Korea Park Bo-young... Hwan Seung-hee... Kim Young-kwang... Hwang Woo-yeon... Kang Ki-young... Ok Geun-nam... Go Gyu-pil... Gu Kong-ja... Jang Seong-beom... Choi Soo-pyo... Cha Yup... Lee Taek-gi... Seo Eun-soo... Park Min-kyung... Bae Hae-seon... Seung-hee's Mother... Ahn Kil-kang... Woo-yeon's Father... Shin So-yul... So-jung... Song Jae-rim... Yoon-geun... So Hee-jung... Woo-yeon's Mother... Lim Hyung-jun... Mr. Bae... Kim Hyun-sook... Ms. Min... Jung Da-won... Boarding Student... Yoo Hee-je... Taek-gi's Subordinate... Ha Jun... Seung-hee's Partner... Lee Joo-Chan... Student... Yoon Kyung-ho... Detective... Baek Seung-chul... Police Station Detective ... On Your Wedding Day Official Trailer - In Cinemas 20 September 2018 (Trailer) Original Size (3840x2160) Original Size (3840x2160) Original Size (1280x720) Original Size (3840x2160) Original Size (3840x2160) Original Size (3840x2160) Original Size (1280x720) Original Size (900x1350) Original Size (800x1132) Original Size (900x1350) Original Size (2000x3000) Original Size (950x1361) Original Size (1000x1433) Original Size (2000x3000) Original Size (1246x1829) Original Size (1080x1546) Original Size (1984x2835) Original Size (900x1350) Original Size (1709x2560) Original Size (960x1440)