The World of Silence: Cast
Kim Sang-kyung
Ryu Jung-ho
Park Yong-woo
Det. Kim Hyung-sa
Han Bo-bae
Park Soo-yeon
Lee Jong-soo
Detective Choi
Jung Il-woo
Ryu Jung-ho (young)
Hahm Eun-jung
Kim Min-hee
Han Soo-yeon
Jung Yoo-jin
Jeong Gyu-su
Jo Ban-jang
Oh Jung-se
Chang-bae
Song Boo-gun
Chang-Bae's group 1
Kwak Min-seok
Tourist 2
Jo Hyun-wu
Firefighter 2
Kim Dong-ha
Guy sitting in the next table
Son Bum-soo
Moderator
Jung Hae-kyun
Min-hee's home room teacher (voice)
Hwang Taek-ha
Hostage
Jung Yoon-seo
Madam at Western Style House
Jo Yeon-ho
Suicidal man
Kim Jin-kook
Detective 5
Kim Chae-hyun
School play female MC
Oh Jeong-won
Park Soo-yeon's mother