The Sound of Your Heart (TV series)

The Sound Of Your Heart is a South Korean television series starring Lee Kwang-soo and Jung So-min. The sitcom is based on the webtoon of the same name. The first 10 episodes were aired as a web series on November 7, 2016 through Naver TV Cast on Mondays at 6:00 (KST), and the remaining 10 episodes aired from December 2016. The web series hit 100 million views on Sohu TV and ranked No. 1 among Korean dramas on the site. On Naver TV Cast, the web series has more than 40 million views in South Korea as of February 2017. It is also now airing on Netflix.

Plot
Stories about Cho Seok's (Lee Kwang-soo) adventures with his family and his girlfriend Aebong (Jung So-min).

Main cast

 * Lee Kwang-soo as Jo Seok, a webtoon artist who lives with his parents
 * Kim Dae-myung as Jo Joon, Jo Seok's older brother, who works at an entertainment company
 * Jung So-min as Choi Ae-bong, Jo Seok's new girlfriend, whom she knew since high school
 * Kim Byeong-ok as Jo Chul-wang, Jo Seok's father, who works a chicken shop that barely gets customers (due in part to closing early half the time)
 * Kim Mi-kyung as Kwon Jung-kwon, Jo Seok's mother. who has grown fed up with her life.

Others

 * Kim Kang-hyun as manager
 * Yoo Hyun-jung as Jo Seok's friend
 * Yein as female student
 * Lee Jae-uk as teacher / resident 1
 * Moon Ji-yoon as Jo-suk's colleague
 * Choi Dae-sung as taxi driver
 * Jung Ji-won as news announcer
 * In Sung-ho as association staff
 * Keum Kwang-san as Chul-wang's challenger
 * Lee Jin-mok as Chul-wang's friend 1
 * Lee Kwan-yeong as Chul-wang's friend 2
 * Lim Jae-joon as Kim Suk's boyfriend
 * Oh Min-suk
 * So Yi-hyun

Special appearances

 * Jo Seok as author Jo
 * Song Joong-ki as friend
 * Yeom Dong-heon as Manager Lee
 * Seo Hyun-chul as Vice Head of a Division Oh
 * Choi Yang-rak as photographer
 * Moon Kyung-ja as Green Juice woman
 * Kim Sook as Kim Sook
 * Kang Kyun-sung as Kang Kyun-sung
 * Jung I-rang as young woman
 * Park Na-rae as Park Na-rae
 * Yoon Jin-yi as Fake Ae-bong
 * Kim Roi-ha as Mac president
 * Lee Soo-ji as Voice phishing
 * Kim Min-kyung as hunting woman
 * Woo Hyun as Choi Ae-bong's father (Ep. 13).
 * Cao Lu as woman in hotel room
 * Tae Won-seok as naked man in China hotel room
 * Jung Joon-young as neighbor in Apt. 205
 * Kim Se-jeong as neighbor in Apt. 205
 * Kim Tae-won as himself
 * Shin Dong-yup as himself
 * Jun Hyun-moo as himself
 * Lena Park as herself
 * Park Seul-ki as herself
 * Laboum as themselves
 * Ahn Sol-bin as herself
 * Kim Jong-kook as Jo Seok's twin cousins Jo Jong-kook and Jo Jong-wook
 * Gong Seung-yeon as Yerim

Production
First script reading took place March 24, 2016 at KBS Annex Broadcasting Station in Yeouido, South Korea. The filming took 52 days, it began in March and ended in May.

Ratings

 * In the table below, the blue numbers represent the lowest ratings and the red numbers represent the highest ratings.