Kim Soo-hyun
Jang Tae-yeong
Acting
Sung Dong-il
Jo Won-geun
Acting
Lee Sung-min
Choi Jin-gi
Acting
Sulli
Song Yoo-hwa
Acting
Jo Woo-jin
Sa Do-jin
Acting
Kim Hong-pa
Choi Nak-hyeon
Acting
Jeong In-kyeom
Professor Kim
Acting
Choi Kwon
Manager Baek
Acting
Go Gyu-pil
Bald man
Acting
Han Ji-eun
Han Ye-won
Acting
Jung Yi-seo
Addict
Acting
Lee Jung-hyun
Gangster in Chinatown
Acting
Son Hyun-joo
Patient
Acting
Park Seo-jun
Bodyguard man
Acting
Kim Da-som
Therapist
Acting
An So-hee
Restaurant Waitress
Acting
Bae Suzy
Tatuist
Acting
Gyeongree
Waitress
Acting
Park Min-ha
Waitress
Acting
Ah Ri
Brothel Men-Women
Acting
Ji Eun-seo
Secret Room Club Addict 1
Acting
Lee Chae-dam
Secret Room Club Addict 2
Acting
Lee Kyung-young
No Yeom (uncredited)
Acting
Yoon Kyung-ho
Broker
Acting
Lee Gi-dong
Chief police officer
Acting
Kim Song-il
Capital CEO
Acting
Kim Hye-hwa
Im Ra-hee
Acting
IU
Awards ceremony guide
Acting
Jason Scott Nelson
Max
Acting
Lim Dong-yoon
Meatpacking factory worker
Acting
Hyun Bong-sik
Chinese restaurant employee
Acting