이 별에 필요한

Kim Tae-ri

Nan-young (voice)

Hong Kyung

Je-i (voice)

Sharon Kwon

Rosa (voice)

Kang Ku-han

Yun-jae (voice)

안영미

Ji-young (voice)

Jang Mi

Young Na-young / Detector (voice)

Yoon Ah-young

Dia (voice)

Choi Han

Manager (voice)

David J Robbins

Eugene / Jared (voice)

Lee Myung-hee

Director / Caregiver (voice)

김진수

Reporter (voice)

박성영

Researcher (voice)

오주희

Doctor (voice)

이보용

News Anchor (voice)

소새롬

Nancy / Linda (voice)

Paul Matthews

Jean (voice)

Jennifer Clyde

Samantha (voice)

Terrance Reid

Mike (voice)

Kristen Cho

HQ (voice)