Kim Tae-ri

Nan-young (voice)

Hong Kyung

Je-i (voice)

Kang Ku-han

Yun-jae (voice)

An Young-mi

Ji-young (voice)

Jang Mi

Young Na-young / Detector (voice)

Yoon Ah-young

Dia (voice)

Choi Han

Manager (voice)

Lee Myung-hee

Director / Caregiver (voice)

Park Sung-young

Researcher (voice)

Oh Joo-hee

Doctor (voice)

Lee Bo-yong

News Anchor (voice)