Kim So-hyun

Kim Hyun-ji

김소현

Taecyeon

Park Bong-pal

옥택연

Kwon Yul

Joo Hye-sung

권율

Kim Sang-ho

Monk Myung-cheol

김상호

Lee Da-wit

Kim In-rang

이다윗

강기영

Choi Cheon-sang

Baek Seo-yi

Im Seo Yeon

이도연

Oh Kyung-ja

Yoon Seo-hyun

Officer Yang

윤서현

정지순

Detective Kim

김민상

Bong Pal's Father

손은서

Hong Myung Hee [Bong Pal's mother]

Lee Jung-eun

Apartment resident

이정은