O Som do Seu Coração

Elenco

• 

  이광수

  Jo-Suk

• 

  김대명

  Jo-Joon

• 

  정소민

  Choi Ae-Bong

• 

  김병옥

  Jo Chul-Wang

• 

  김미경

  Kwon Jung-Gwon

• 

  김강현

  Webtoon editor

• 

  서현철

  Deputy Department Head Seo

• 

  최대성

  Taxi driver

• 

  Yum Dong-hun

  Department Head Uhm

• 

  옥주리

  Kim Sun-Kwon

• 

  김민규

  Soldier

• 

  Seo Woo-jin

  Interviewer

• 

  윤진이

  Jo Suk's old friend

• 

  이수지

  Voice phishing woman

• 

  박경혜

  Ae Bong's friend

• 

  김민호

  Jo Suk's friend

• 

  Song Joong-ki

  Webtoon writer / Jo Suk's friend

• 

  김세정

  Woman next door in Room 205

• 

  이재은

  Lee Ji-Soon

• 

  Ban Hye-ra

  Middle-aged wife

• 

  Joo Boo-jin

  Grandma Kim Jeom-Rye / Deok Hwan's mother

• 

  Seo Jin-won

  policeman

• 

  강균성

  Jang Nam-Chul | Kyun Sung

• 

  정이랑

  Kim Yoon-ji

• 

  김숙

  Kim Sook

• 

  박나래

  Jo Suk's old friend

• 

  Seo Jung-joon

  Jo Suk's classmate

• 

  금광산

  Jo Chul Wang's subordinate

• 

  김뢰하

  Mex / Kim Nam-Chul

• 

  김민경

  Club woman picked by Jo Joon

• 

  이세영

  Jo Joon's lover

• 

  손영순

  Grandma selling gum

• 

  정준영

  man next door in room 205

• 

  Kim Tae-won

  Himself

• 

  신동엽

  Himself

• 

  전현무

  Himself

• 

  박슬기

  Herself

• 

  Jung So-yeon

  Herself

• 

  Bae Jin-yea

  Herself

• 

  안솔빈

  Herself