I Wanna Hear Your Song

I Wanna Hear Your Song is a 2019 South Korean television series starring Yeon Woo-jin, Kim Se-jeong, Song Jae-rim and Park Ji-yeon. It aired on KBS2 from August 5 to September 24, 2019.

The series ranked among the Top 10 highest ranking dramas in South Korea during its whole run.

Synopsis
Hong Yi-young witnessed a murder but she cannot remember anything about what happened. With the help of Jang Yoon, she tries to recover her memories from that day.

Main

 * Yeon Woo-jin as "Jang Yoon"/Jang Do-hoon
 * A pianist in an orchestra who is Tone Deaf. He helps Yi-young with her insomnia.


 * Kim Se-jeong as Hong Yi-young
 * A timpanist who suffers from insomnia. She can only fall asleep if she listens to a tone-deaf person sing.


 * Song Jae-rim as Nam Joo-wan
 * An orchestra conductor who has a lot of charisma.


 * Park Ji-yeon as Ha Eun-joo
 * A violinist in the orchestra who is known for her arrogance.

People around Jang Yoon

 * Jung Sung-mo as Jang Seok-hyeon
 * Jang Yoon's father. He has a very cold personality.

People around Hong Yi-young

 * Yoon Bok-in as Park Yeong-hee
 * Ji-seop's wife


 * Park Chan-hwan as Hong Ji-seop
 * Yi-young's uncle


 * Lee Si-won as Hong Soo-yeong
 * Yi-young's cousin

Others

 * Lee Byung-joon as Song Jae-hwan
 * Jo Mi-ryung as Seo Soo-hyang
 * Kim Sang-gyun as Moon Jae-hyeong
 * Yi-young's ex-boyfriend


 * Yoon Joo-hee as Yoon Mi-rae
 * Hong Seung-hee as Yang Soo-jang
 * Yang Soo-jung as Yang Soo-jung (secretary)
 * Yoo Gun as Michael Lee
 * Lee Jung-min as Choi Seo-joo
 * Jo Yoo-jung as Yoo Je-ni

Special appearances

 * Jung Soo-young as Gong Su-mi (Ep. 1,7,9)
 * Pianist who was fired by Joo-wan.


 * Im Ji-kyu as Yi-young's blind date (Ep. 10)
 * Kim Si-hoo as Kim Ian/real Jang Yoon
 * Jang Do-hoon's brother who died mysteriously 1 year ago.

Ratings
In this table, the blue numbers represent the lowest ratings and the red numbers represent the highest ratings.