Loser's Adventure: Cast
Kim Chung-gil
Chung-gil
Baek Seung-hwan
Jin-kwon
Shin Min-jae
Hyeok-jun
Ko Seong-wan
Sang-kyu
Cha Yoo-mi
Ji-hye
Park Won-jin
Chung-gil's father
Cho Joon-hee
Seok-tae
Kim Cha-yi
Shin-a
Kim Chang-eun
Hyeok-jae
Pyo Seong-gyun
Principal