Real

Kim Soo-hyun

as

Jang Tae-yeong

Sung Dong-il

as

Jo Won-geun

Lee Sung-min

as

Choi Jin-gi

Sulli

as

Song Yoo-hwa

Jo Woo-jin

as

Sa Do-jin

Kim Hong-pa

as

Choi Nak-hyeon

Jeong In-kyeom

as

Professor Kim

Choi Kwon

as

Manager Baek

Go Gyu-pil

as

Bald man

Han Ji-eun

as

Han Ye-won

Jung Yi-seo

as

Addict

Lee Jung-hyun

as

Gangster in Ch...

Son Hyun-joo

as

Patient

Park Seo-jun

as

Bodyguard man

Kim Da-som

as

Therapist

An So-hee

as

Restaurant Wai...

Bae Suzy

as

Tatuist

Gyeongree

as

Waitress

Park Min-ha

as

Waitress

Ah Ri

as

Brothel Men-Wo...

Ji Eun-seo

as

Secret Room Cl...

Lee Chae-dam

as

Secret Room Cl...

Lee Kyung-young

as

No Yeom (uncre...

Yoon Kyung-ho

as

Broker

Lee Gi-dong

as

Chief police o...

Kim Song-il

as

Capital CEO

Kim Hye-hwa

as

Im Ra-hee

IU

as

Awards ceremon...

Jason Scott Ne...

as

Max

Lim Dong-yoon

as

Meatpacking fa...

Hyun Bong-sik

as

Chinese restau...