All Cast

Song Joong-ki

Dong-wook

Sung Dong-il

Hyeok-Pil

Kim Jung-tae

Du-Pil

Hans Zhang

Zhao Ming

Kwon Hae-hyo

Bong-Goo

Park Soon-cheon

Mother

Yun Se-hyun

Lee Jeong-woo

[Troublemaker 2]