Du Eolgul-Ui Yeochin

Bongtaegyu

Gu-chang

Jeonglyeowon

A-ni / Ha-ni

Ihyeeun

Young-Sun

Shin Eun-jung

Sang-Hee

Gim-Ingwon

Gu-Chang's friend

Jodalhwan

Bum

Jintaehyeon

Shi-Hoo

Gimhye-Og

Gu-chang's mother

Jimin

Antarctic Rescuer