children. Cast Kim Hyun-joo as Kim Yoon-hee/Lee Sun-woo Ha Seung-ri as young Yoon-hee Kim Ji-ho as Kim Tae-hee, Yoon-hee/Sun-woo's elder sister Yoo Hae Won as young Tae-hee Han Jae-suk as Jang Jae-hyuk, Tae-hee's childhood crush and fiancé, Sun-woo's lover Choi Woo-hyuk as young Jae-hyuk So Ji-sub as Park Chul-woong, Seung-hee's crush, Sun-woo's admirer and later fiancé Kim Gyu-ri as Woo Seung-hee, the main villain Park Eun-bin as young Seung-hee Kim Jung-hwa as Park Yeon-woong, Chul-woong's younger sister Baek Il-seob as Chairman Kim Pil-joong, Yoon-hee/Sun-woo and Tae-hee's grandfather Ha Jae-young as Kim Hyun Ho, Yoon-hee/Sun-woo and Tae Hee's father Kim Chung-ryeol as Yeon Seo-jeon, Yoon-hee/Sun-woo and Tae-hee's cousin Shin Tae-hoon as young Seo-joon Lee Hee-do as Hwang Kuk-do, Seung-hee's stepfather Song Ok-sook as Oh Kim-sun, Seung-hee's mother Kim Chung as Suh Joon's mother Hyun Suk as Park Kwi Joong, Chairman Kim's chauffeur Son Young-joon as Oh Han Young, Jae Hyuk's assistant Lee Ki-young as Lee In Soo, Gangster leader Sung Dong-il as Mr. Can, Gangster leader's assistant Kim Hyung Jong as Soo Tak Seo Hyun Ki Original soundtrack CD 1: 너의게로 가는 길– Kim Ji-woo 고백 할게– Jia 너를 지켜줄거야– Lee Jong-won (CAN) For Your Love – Jang Hye-jin Help Me Love – Park Wan-kyu 비상지아– Park Wan-kyu Gloomy Sunday – Jeon Seung-woo & Park Chae-won 서툰 고백 – Kim Jin-woo 제발.. – Kim Jin-woo 너를 지켜줄거야 (Piano Version) 문 길 (Guitar Version) Tears (Piano Version) 빈들에서 (Piano Version) 너를 보낸 새벽 (Chorus Version) 별 헤는 밤 (Harmonica Version) CD 2: Nuh Wa Ham Gge (Piano Version) Yak Sok (Piano & Guitar Version) Pa Ran Mi So (Guitar Version) Nae Ahn Eh Nuh (Guitar Version) Do Shi Eh Ah Chim (Piano Version) Uh Rin Shi Jul (Piano Version) Mun Gil (Piano Version) Tears (Guitar Version) Nuh Reul Ji Kyuh Jool Gguh Ya (Violin Version) Nuh Wa Ham Gge (Guitar Version) Yak Sok (Piano Version) Byul He Neun Bam (Piano Version) Bin Deul Eh Suh (Guitar Version) Uh Rin Shi Jul (Piano Version) Sae Ro Oon Shi Jak (Guitar Version) Tears (Guitar Version) Pa Ran Mi So (Harmonica Version) Sae Ro Oon Shi Jak (E.Guitar Version) Uh Rin Shi Jul (Guitar Version) International broadcast Remake In 2016 filmed remake "Threads of Destiny" studio FILM.UA quality rating Kinopoisk 7.084 out of 10. Notes See also List of South Korean television series Culture of South Korea References External links , official website Cineseoul profile