Fly, Penguin

Song Hee-jeong

Choi Seung-yoon

Lee Joo-hoon

Han Chang-soo

Park Joong-ho

Seung-yoon's father (uncredited)

Manager Kwon (uncredited)

Young-sook's Grandmother (uncredited)

Sashimi Restaurant Owner (uncredited)

Jo Mi-sun

Elder Kwon

Soo-ji