Générique complet
Manhole
Jung Yu-mi
Yeon-seo
Kim Sae-ron
Soo-jung
Jung Kyung-ho
Soo-chul
최덕문
Kim Jong-ho
Jo Dal-hwan
Pil-gyu
이영유
Kim Song-yi
Yoon Chan-young
Soo-chul (Young)
김빈우
Female Victim
Yoon Don-seon
Policeman
Jun Yoon-ji
Bakery Part-time Worker
김재화
Social Worker
서경화
Yeon-seo's Mother
고다연
Soo-chul's Older Sister
신동력
Soo-chul's Father
Seo Hyun-woo
Male Police Officer
김미희
Female Police Officer
Ha Ji-eun
Woman in Haengdang Area
김아람
Mummy
윤태인
Man of Couple
송인섭
Cellphone Man
강덕중
Rookie Laborer