Ji-soo (지수)
Joon-sang (준상)
Kyeong-cheol (경철)
Hye-ran (혜란)
Detective Kim (김형사)
So-won (소원)
Dong-cheol (동철)
Geon-woo (건우)
Nurse Yoon (윤간호사)
Young Ji-soo (어린지수)
Young Kyeong-cheol (어린경철)
Mid-point Ji-soo (중간지수)
Mid-point Kyeong-cheol (중간경철)
Mid-point Ji-hoon (중간지훈)
Announcer (아나운서)
Patient 1 - Special appearance (환자1)
Patient 2 - Special appearance (환자2)
Patient 3 - Special appearance (환자3)
Patient 4 - Special appearance (환자4)