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.
유아인
as Ko Kyung-chun (voice)
정유미
as Il-ho (voice)
Lee Don-yong
as Merlin (voice)
황석정
as Witch of the North (voice)
Chang Hyung-yun
as Black Dog / Passerby (voice)
연상호
as Playground Person / Passerby (voice)
Hong Deok-pyo
as Passerby (voice)
