On screen
Cast
15 credited performers
Song Joong-ki
Dong-wook
Sung Dong-il
Hyeok-Pil
Kim Jung-tae
Du-Pil
Hans Zhang
Zhao Ming
Kwon Hae-hyo
Bong-Goo
Park Soon-cheon
Mother
Artwork unavailable
Yu Jin-a
Seo-gyeong
Min Chunxiao
May
Jung Joo-yeon
Student
Geum Dong-hyeon
Teol-bo
Lee Chang-hoon
Veterinarian
Yoon Se-hyun
Troublemaker 3
Lee Jeong-woo
Troublemaker 2
Jung Yoon-seo
Parent
Cho Jae-ryong
Police