날아라 펭귄

Moon So-ri

Song Hee-jeong

안도규

Choi Seung-yoon

최규환

Lee Joo-hoon

조진웅

Han Chang-soo

오용

Park Joong-ho

Park Won-sang

Seung-yoon's father (uncredited)

손병호

Manager Kwon (uncredited)

이영희

Young-sook's Grandmother (uncredited)