Oh Man-seok as Kyung-ju

Lee Sun-kyun as Jae-sin

Ryu Deok-hwan as Hyo-yi

Park Myung-shin as Yeo Sa-jang

Jeon Hye-won as Kim So-yeon

Mun Ka-young as Young Kim So-yeon

Lee Mu-saeng as Jeong Myeong-bo

Jeong In-gi as Captain #2

Jeon Kuk-hwan as Principal of the Middle School

Kim Young-sun as Supermarket Owner's Wife

Choi Jung-woo as Detective Gu

Kim Min-kyo as Detective Park

Jang Nam-yeol as Kyung-ju's Father

Lee Jae-eung as Detective Oh

Tak Woo-suk as Young Kyung-ju

Jung Yoon-seo as Hyo-yi's Mother

Yeom Hye-ran as Rice Cake Vendor (uncredited)

Ha-ram Kim as Bully Kid (uncredited)

Jeon Soo-hwan as (uncredited)

Da-mi Ko as (uncredited)

Shin Hwa-chul as Conscripted Policeman