Cast
Kim Soo-hyun
Jang Tae-yeong
Sung Dong-il
Jo Won-geun
Lee Sung-min
Choi Jin-gi
Sulli
Song Yoo-hwa
Jo Woo-jin
Sa Do-jin
Kim Hong-pa
Choi Nak-hyeon
Jeong In-gyeom
Professor Kim
Choi Kwon
Manager Baek
Ko Kyu-pil
Bald man
Han Ji-eun
Han Ye-won
Jung Yi-seo
Addict
Lee Jung-hyun
Gangster in Chinatown
Son Hyun-joo
Patient
Park Seo-jun
Bodyguard
