Il-ho, a satellite girl, wants to learn about human emotions, and crash lands on Earth. She transforms into a human girl and tries to help Kyung-chun after he is transformed into a milk cow.
| Actor | Role |
|---|---|
 Yoo Ah-inKo Kyung-chun (voice) | Ko Kyung-chun (voice) |
 Jung Yu-miIl-ho (voice) | Il-ho (voice) |
| LLee Don-yongMerlin (voice) | Merlin (voice) |
 Hwang Seok-jeongWitch of the North (voice) | Witch of the North (voice) |
| CChang Hyung-yunBlack Dog / Passerby (voice) | Black Dog / Passerby (voice) |
 Yeon Sang-hoPlayground Person / Passerby (voice) | Playground Person / Passerby (voice) |
| HHong Deok-pyoPasserby (voice) | Passerby (voice) |
| JJo Yeong-Bin5th President (voice) | 5th President (voice) |