Im Chang-jung
Eun-sik
Song Ji-hyo
Kyung-ah
Choi Sung-kook
Choi Sung-kook
Shin Yi
Kyeong-joo
Lee Sang-yun
Gi-joo
Yoo Chae-young
Yoo-mi
Lee Hwa-sun
Young-chae
Lee Si-yeon
Dae-hak
Sin Eunjeong
Ji-hyeon
Hong Ji-young
Bo-ra
Kim Myeong-kyu
Pervert
Choi Hyun
Sang-woo
Park Young-soo
Jong-min
Song Jae-ryong
Detective
Park Seohyeon
Nurse 1
Park Jae-Woong
Nurse 2
Kim Tae-ho
Doctor 1
Lee Jong-rae
Doctor 2
Yoon Sul-hee
Prostitute
Lee Jung-hoon
Hall Anouncer
JK Youn
(uncredited)
Choe In-Suk
Dean
Kim Yong-soo
Eun-sik's Opponent
Ha Ji-won
Eun-hyo
Kim Hyeong-il
Pervert
Kim Chung
Kyeong-ah's Mother
Denis Kang
Self
Lee Jin-seong
College Boyfriend