Kim Sun-young
Sung Ji-soo
Hong Kyung-in
Choi Joon-sang
Lee Jeong-woo
Kyeong-cheol (경철)
Park Se-jin
Hye-ran (혜란)
Lee Seol-gu
Detective Kim (김형사)
Lee Hyun-ji
So-won (소원)
Kim Young-woong
Dong-cheol (동철)
K
Kang Seung-beom
Geon-woo (건우)
Y
Yoon Ji-ah
Nurse Yoon (윤간호사)
K
Kim Yoo-nah
Young Ji-soo (어린지수)
J
Jo Beom-geun
Young Kyeong-cheol (어린경철)
I
Im Mi-joo
Mid-point Ji-soo (중간지수)
N
Nam Dong-hyeon
Mid-point Kyeong-cheol (중간경철)
Y
Yoo Yeong-joon
Mid-point Ji-hoon (중간지훈)
P
Park Sol
Announcer (아나운서)
Park Jae-hoon
Patient 1 - Special appearance (환자1)
Lee Yoo-jin
Patient 2 - Special appearance (환자2)
Ji Dae-han
Patient 3 - Special appearance (환자3)
C
Chunja
Patient 4 - Special appearance (환자4)