Full cast of The Sound of Your Heart
Choi Dae-sung
Taxi driver
3 episodes
Yum Dong-hun
Department Head Uhm
2 episodes
Ok Joo-ri
Kim Sun-Kwon
2 episodes
Seo Woo-jin
Interviewer
2 episodes
Jang Hyo-jin
Director
1 episode
Lee Jae-eun
Lee Ji-Soon
1 episode
Ban Hye-ra
Middle-aged wife
1 episode
Joo Boo-jin
Grandma Kim Jeom-Rye / Deok Hwan's mother
1 episode
Seo Jin-won
policeman
1 episode
Kang Kyun-sung
Jang Nam-Chul | Kyun Sung
1 episode
Seo Jung-joon
Jo Suk's classmate
1 episode
Geum Gwang-san
Jo Chul Wang's subordinate
1 episode
Kim Min-kyoung
Club woman picked by Jo Joon
1 episode
Son Young-soon
Grandma selling gum
1 episode
Jung Joon-young
man next door in room 205
1 episode
Kim Tae-won
Self
1 episode
Park Seul-gi
Self
1 episode
Jung So-yeon
Self
1 episode
Bae Jin-yea
Self
1 episode
Kim Yul-hee
Self
1 episode
Lee Yong-nyeo
Landlord granma / Ae Bong's neighbor
1 episode
Yoo Jang-young
television producer
1 episode
Moon Ji-yoon
Jo Suk's colleague
1 episode