Kim Tae-ri as Nan-young (voice)

Hong Kyung as Je-i (voice)

Sharon Kwon as Rosa (voice)

Kang Ku-han as Yun-jae (voice)

An Young-mi as Ji-young (voice)

Jang Mi as Young Na-young / Detector (voice)

Yoon Ah-young as Dia (voice)

Choi Han as Manager (voice)

David J Robbins as Eugene / Jared (voice)

Lee Myung-hee as Director / Caregiver (voice)

Kim Jin-soo as Reporter (voice)

Park Sung-young as Researcher (voice)

Oh Joo-hee as Doctor (voice)

Lee Bo-yong as News Anchor (voice)

So Sae-rom as Nancy / Linda (voice)

Paul Matthews as Jean (voice)

Jennifer Clyde as Samantha (voice)

Terrance Reid as Mike (voice)

Kristen Cho as HQ (voice)