Kim Sun-young

as Sung Ji-soo

Hong Kyung-in

as Choi Joon-sang

Lee Jeong-woo

as Kyeong-cheol (경철)

Park Se-jin

as Hye-ran (혜란)

Lee Seol-gu

as Detective Kim (김형사)

Lee Hyun-ji

as So-won (소원)

Kim Young-woong

as Dong-cheol (동철)

Kang Seung-beom

as Geon-woo (건우)

Yoon Ji-ah

as Nurse Yoon (윤간호사)

Kim Yoo-nah

as Young Ji-soo (어린지수)

Jo Beom-geun

as Young Kyeong-cheol (어린경철)

Im Mi-joo

as Mid-point Ji-soo (중간지수)

Nam Dong-hyeon

as Mid-point Kyeong-cheol (중간경철)

Yoo Yeong-joon

as Mid-point Ji-hoon (중간지훈)

Park Sol

as Announcer (아나운서)

Park Jae-hoon

as Patient 1 - Special appearance (환자1)

Lee Yoo-jin

as Patient 2 - Special appearance (환자2)

Ji Dae-han

as Patient 3 - Special appearance (환자3)

Chunja

as Patient 4 - Special appearance (환자4)