- Kwon Sang-woo
- Hyeon-su
- Lee Jung-Jin
- Woo-shik
- Han Ga-in
- Eun-ju
- Park Hyo-joon
- Hamburger
- Kim In-kwon
- Jiksae
- Lee Jong-hyuk
- Jong-hun
- Seo Dong-won
- Seong-hun
- Kim Byeong-chun
- High school military drill teacher puppet army
- Kim Bu-seon
- Stir-fried rice cake in Tteokbokki restaurant
- Chun Ho-jin
- Hyeon-su's Father (Cameo)
- Yeong-im Kim
- Female college student in night club 2
- Park Soo-young
- Politics & Economics teacher
- Michael Tassis
- Kim Tae-hyung
- Han-seok Yang
- Physical education teacher bully
- Choi Yong-hyun
- Wild horse's gang
