Kadro (13)
Park Hae-ilLee Yoo-rim
Kang Hye-jungChoi Hong
Lee Dae-yeonTeacher Jo
Greena ParkHee-Jung
Seo Young-hwaLanguage teacher
Park Jin-wooYeon-Ho's friend (uncredited)
Woo Ki-HongYeon-Ho's friend 2 (uncredited)
Jung Young-kiStudent teacher (uncredited)Lee Hyun-JungChoi Hong's mother
Kim Se-dongchief police at police station (uncredited)
Choi Jae-hwanGu Suk-Ji (student) (uncredited)
Kim Ja-youngTeacher (uncredited)
Kim Shin-rockStudent teacher