맨홀

Jung Yu-mi

Yeon-seo

Kim Sae-ron

Soo-jung

Jung Kyung-ho

Soo-chul

Choi Deok-moon

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

Kim Jae-hwa

Social Worker

서경화

Yeon-seo's Mother